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Finding the Fourth Proportional to 15,992.64, 23,988.96 and 13,250.88

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Solution

The fourth proportional to 15,992.64, 23,988.96 and 13,250.88 is: 19,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.64 : 23,988.96 = 13,250.88 : x
  2. Step 2: Convert to fraction form
    15,992.64/23,988.96 = 13,250.88/x
  3. Step 3: Cross multiply
    15,992.64x = 23,988.96 × 13,250.88
  4. Step 4: Simplify right side
    15,992.64x = 317,874,830.28
  5. Step 5: Solve for x
    x = 317,874,830.28/15,992.64
  6. Step 6: Final answer
    x = 19,876.32

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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.