Home / 22,972.41-31,698.14-13,542.80

Finding the Fourth Proportional to 22,972.41, 31,698.14 and 13,542.80

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Solution

The fourth proportional to 22,972.41, 31,698.14 and 13,542.80 is: 18,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.41 : 31,698.14 = 13,542.80 : x
  2. Step 2: Convert to fraction form
    22,972.41/31,698.14 = 13,542.80/x
  3. Step 3: Cross multiply
    22,972.41x = 31,698.14 × 13,542.80
  4. Step 4: Simplify right side
    22,972.41x = 429,281,344.19
  5. Step 5: Solve for x
    x = 429,281,344.19/22,972.41
  6. Step 6: Final answer
    x = 18,686.82

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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.