Home / 22,706.74-31,318.54-15,635.44

Finding the Fourth Proportional to 22,706.74, 31,318.54 and 15,635.44

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Solution

The fourth proportional to 22,706.74, 31,318.54 and 15,635.44 is: 21,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,706.74 : 31,318.54 = 15,635.44 : x
  2. Step 2: Convert to fraction form
    22,706.74/31,318.54 = 15,635.44/x
  3. Step 3: Cross multiply
    22,706.74x = 31,318.54 × 15,635.44
  4. Step 4: Simplify right side
    22,706.74x = 489,679,153.06
  5. Step 5: Solve for x
    x = 489,679,153.06/22,706.74
  6. Step 6: Final answer
    x = 21,565.37

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Double scale
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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.