Home / 22,713.06-31,336.73-13,757.70

Finding the Fourth Proportional to 22,713.06, 31,336.73 and 13,757.70

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Solution

The fourth proportional to 22,713.06, 31,336.73 and 13,757.70 is: 18,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.06 : 31,336.73 = 13,757.70 : x
  2. Step 2: Convert to fraction form
    22,713.06/31,336.73 = 13,757.70/x
  3. Step 3: Cross multiply
    22,713.06x = 31,336.73 × 13,757.70
  4. Step 4: Simplify right side
    22,713.06x = 431,121,330.32
  5. Step 5: Solve for x
    x = 431,121,330.32/22,713.06
  6. Step 6: Final answer
    x = 18,981.21

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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.