Home / 22,726.53-31,335.80-15,559.92

Finding the Fourth Proportional to 22,726.53, 31,335.80 and 15,559.92

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Solution

The fourth proportional to 22,726.53, 31,335.80 and 15,559.92 is: 21,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.53 : 31,335.80 = 15,559.92 : x
  2. Step 2: Convert to fraction form
    22,726.53/31,335.80 = 15,559.92/x
  3. Step 3: Cross multiply
    22,726.53x = 31,335.80 × 15,559.92
  4. Step 4: Simplify right side
    22,726.53x = 487,582,463.34
  5. Step 5: Solve for x
    x = 487,582,463.34/22,726.53
  6. Step 6: Final answer
    x = 21,454.33

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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.