Home / 27,545.85-38,020.19-15,616.31

Finding the Fourth Proportional to 27,545.85, 38,020.19 and 15,616.31

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Solution

The fourth proportional to 27,545.85, 38,020.19 and 15,616.31 is: 21,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.85 : 38,020.19 = 15,616.31 : x
  2. Step 2: Convert to fraction form
    27,545.85/38,020.19 = 15,616.31/x
  3. Step 3: Cross multiply
    27,545.85x = 38,020.19 × 15,616.31
  4. Step 4: Simplify right side
    27,545.85x = 593,734,805.12
  5. Step 5: Solve for x
    x = 593,734,805.12/27,545.85
  6. Step 6: Final answer
    x = 21,554.42

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Half scale
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Double scale
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Similar ratio
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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.