Home / 22,542.18-31,106.25-12,470.46

Finding the Fourth Proportional to 22,542.18, 31,106.25 and 12,470.46

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Solution

The fourth proportional to 22,542.18, 31,106.25 and 12,470.46 is: 17,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.18 : 31,106.25 = 12,470.46 : x
  2. Step 2: Convert to fraction form
    22,542.18/31,106.25 = 12,470.46/x
  3. Step 3: Cross multiply
    22,542.18x = 31,106.25 × 12,470.46
  4. Step 4: Simplify right side
    22,542.18x = 387,909,246.38
  5. Step 5: Solve for x
    x = 387,909,246.38/22,542.18
  6. Step 6: Final answer
    x = 17,208.15

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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.