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Finding the Fourth Proportional to 14,662.30, 20,243.16 and 11,298.74

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Solution

The fourth proportional to 14,662.30, 20,243.16 and 11,298.74 is: 15,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.30 : 20,243.16 = 11,298.74 : x
  2. Step 2: Convert to fraction form
    14,662.30/20,243.16 = 11,298.74/x
  3. Step 3: Cross multiply
    14,662.30x = 20,243.16 × 11,298.74
  4. Step 4: Simplify right side
    14,662.30x = 228,722,201.62
  5. Step 5: Solve for x
    x = 228,722,201.62/14,662.30
  6. Step 6: Final answer
    x = 15,599.34

Related Problems

Find fourth proportional to 7,331.15, 10,121.58 and 5,649.37
Half scale
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Double scale
Find fourth proportional to 14,663.30, 20,244.54 and 11,299.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.