Home / 17,389.52-23,997.55-9,431.72

Finding the Fourth Proportional to 17,389.52, 23,997.55 and 9,431.72

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Solution

The fourth proportional to 17,389.52, 23,997.55 and 9,431.72 is: 13,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.52 : 23,997.55 = 9,431.72 : x
  2. Step 2: Convert to fraction form
    17,389.52/23,997.55 = 9,431.72/x
  3. Step 3: Cross multiply
    17,389.52x = 23,997.55 × 9,431.72
  4. Step 4: Simplify right side
    17,389.52x = 226,338,172.29
  5. Step 5: Solve for x
    x = 226,338,172.29/17,389.52
  6. Step 6: Final answer
    x = 13,015.78

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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.