Home / 22,554.14-31,127.40-13,122.69

Finding the Fourth Proportional to 22,554.14, 31,127.40 and 13,122.69

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Solution

The fourth proportional to 22,554.14, 31,127.40 and 13,122.69 is: 18,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.14 : 31,127.40 = 13,122.69 : x
  2. Step 2: Convert to fraction form
    22,554.14/31,127.40 = 13,122.69/x
  3. Step 3: Cross multiply
    22,554.14x = 31,127.40 × 13,122.69
  4. Step 4: Simplify right side
    22,554.14x = 408,475,220.71
  5. Step 5: Solve for x
    x = 408,475,220.71/22,554.14
  6. Step 6: Final answer
    x = 18,110.88

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Half scale
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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.