Home / 22,562.82-31,145.04-13,610.70

Finding the Fourth Proportional to 22,562.82, 31,145.04 and 13,610.70

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Solution

The fourth proportional to 22,562.82, 31,145.04 and 13,610.70 is: 18,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.82 : 31,145.04 = 13,610.70 : x
  2. Step 2: Convert to fraction form
    22,562.82/31,145.04 = 13,610.70/x
  3. Step 3: Cross multiply
    22,562.82x = 31,145.04 × 13,610.70
  4. Step 4: Simplify right side
    22,562.82x = 423,905,795.93
  5. Step 5: Solve for x
    x = 423,905,795.93/22,562.82
  6. Step 6: Final answer
    x = 18,787.80

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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.