Home / 22,750.66-31,411.92-15,959.12

Finding the Fourth Proportional to 22,750.66, 31,411.92 and 15,959.12

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Solution

The fourth proportional to 22,750.66, 31,411.92 and 15,959.12 is: 22,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.66 : 31,411.92 = 15,959.12 : x
  2. Step 2: Convert to fraction form
    22,750.66/31,411.92 = 15,959.12/x
  3. Step 3: Cross multiply
    22,750.66x = 31,411.92 × 15,959.12
  4. Step 4: Simplify right side
    22,750.66x = 501,306,600.71
  5. Step 5: Solve for x
    x = 501,306,600.71/22,750.66
  6. Step 6: Final answer
    x = 22,034.82

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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.