Home / 22,691.16-31,292.86-14,190.56

Finding the Fourth Proportional to 22,691.16, 31,292.86 and 14,190.56

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Solution

The fourth proportional to 22,691.16, 31,292.86 and 14,190.56 is: 19,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.16 : 31,292.86 = 14,190.56 : x
  2. Step 2: Convert to fraction form
    22,691.16/31,292.86 = 14,190.56/x
  3. Step 3: Cross multiply
    22,691.16x = 31,292.86 × 14,190.56
  4. Step 4: Simplify right side
    22,691.16x = 444,063,207.40
  5. Step 5: Solve for x
    x = 444,063,207.40/22,691.16
  6. Step 6: Final answer
    x = 19,569.88

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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.