Home / 22,727.14-31,373.16-15,279.46

Finding the Fourth Proportional to 22,727.14, 31,373.16 and 15,279.46

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Solution

The fourth proportional to 22,727.14, 31,373.16 and 15,279.46 is: 21,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.14 : 31,373.16 = 15,279.46 : x
  2. Step 2: Convert to fraction form
    22,727.14/31,373.16 = 15,279.46/x
  3. Step 3: Cross multiply
    22,727.14x = 31,373.16 × 15,279.46
  4. Step 4: Simplify right side
    22,727.14x = 479,364,943.29
  5. Step 5: Solve for x
    x = 479,364,943.29/22,727.14
  6. Step 6: Final answer
    x = 21,092.18

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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.