Home / 27,706.04-38,234.56-15,770.28

Finding the Fourth Proportional to 27,706.04, 38,234.56 and 15,770.28

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Solution

The fourth proportional to 27,706.04, 38,234.56 and 15,770.28 is: 21,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,706.04 : 38,234.56 = 15,770.28 : x
  2. Step 2: Convert to fraction form
    27,706.04/38,234.56 = 15,770.28/x
  3. Step 3: Cross multiply
    27,706.04x = 38,234.56 × 15,770.28
  4. Step 4: Simplify right side
    27,706.04x = 602,969,716.88
  5. Step 5: Solve for x
    x = 602,969,716.88/27,706.04
  6. Step 6: Final answer
    x = 21,763.11

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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.