Home / 17,071.59-25,607.38-5,385.72

Finding the Fourth Proportional to 17,071.59, 25,607.38 and 5,385.72

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Solution

The fourth proportional to 17,071.59, 25,607.38 and 5,385.72 is: 8,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.59 : 25,607.38 = 5,385.72 : x
  2. Step 2: Convert to fraction form
    17,071.59/25,607.38 = 5,385.72/x
  3. Step 3: Cross multiply
    17,071.59x = 25,607.38 × 5,385.72
  4. Step 4: Simplify right side
    17,071.59x = 137,914,178.61
  5. Step 5: Solve for x
    x = 137,914,178.61/17,071.59
  6. Step 6: Final answer
    x = 8,078.58

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.