Home / 14,574.03-20,112.13-8,200.63

Finding the Fourth Proportional to 14,574.03, 20,112.13 and 8,200.63

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Solution

The fourth proportional to 14,574.03, 20,112.13 and 8,200.63 is: 11,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.03 : 20,112.13 = 8,200.63 : x
  2. Step 2: Convert to fraction form
    14,574.03/20,112.13 = 8,200.63/x
  3. Step 3: Cross multiply
    14,574.03x = 20,112.13 × 8,200.63
  4. Step 4: Simplify right side
    14,574.03x = 164,932,136.64
  5. Step 5: Solve for x
    x = 164,932,136.64/14,574.03
  6. Step 6: Final answer
    x = 11,316.85

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Double scale
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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.