Home / 23,132.74-31,929.16-15,086.44

Finding the Fourth Proportional to 23,132.74, 31,929.16 and 15,086.44

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Solution

The fourth proportional to 23,132.74, 31,929.16 and 15,086.44 is: 20,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.74 : 31,929.16 = 15,086.44 : x
  2. Step 2: Convert to fraction form
    23,132.74/31,929.16 = 15,086.44/x
  3. Step 3: Cross multiply
    23,132.74x = 31,929.16 × 15,086.44
  4. Step 4: Simplify right side
    23,132.74x = 481,697,356.59
  5. Step 5: Solve for x
    x = 481,697,356.59/23,132.74
  6. Step 6: Final answer
    x = 20,823.19

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Double scale
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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.