Home / 13,298.76-18,349.62-10,111.20

Finding the Fourth Proportional to 13,298.76, 18,349.62 and 10,111.20

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Solution

The fourth proportional to 13,298.76, 18,349.62 and 10,111.20 is: 13,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.76 : 18,349.62 = 10,111.20 : x
  2. Step 2: Convert to fraction form
    13,298.76/18,349.62 = 10,111.20/x
  3. Step 3: Cross multiply
    13,298.76x = 18,349.62 × 10,111.20
  4. Step 4: Simplify right side
    13,298.76x = 185,536,677.74
  5. Step 5: Solve for x
    x = 185,536,677.74/13,298.76
  6. Step 6: Final answer
    x = 13,951.43

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Half scale
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Double scale
Find fourth proportional to 13,299.76, 18,351 and 10,112.20
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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.