Home / 27,706.96-38,236.98-15,131.62

Finding the Fourth Proportional to 27,706.96, 38,236.98 and 15,131.62

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Solution

The fourth proportional to 27,706.96, 38,236.98 and 15,131.62 is: 20,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,706.96 : 38,236.98 = 15,131.62 : x
  2. Step 2: Convert to fraction form
    27,706.96/38,236.98 = 15,131.62/x
  3. Step 3: Cross multiply
    27,706.96x = 38,236.98 × 15,131.62
  4. Step 4: Simplify right side
    27,706.96x = 578,587,451.31
  5. Step 5: Solve for x
    x = 578,587,451.31/27,706.96
  6. Step 6: Final answer
    x = 20,882.39

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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.