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Finding the Fourth Proportional to 15,995.64, 23,993.46 and 13,253.88

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Solution

The fourth proportional to 15,995.64, 23,993.46 and 13,253.88 is: 19,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.64 : 23,993.46 = 13,253.88 : x
  2. Step 2: Convert to fraction form
    15,995.64/23,993.46 = 13,253.88/x
  3. Step 3: Cross multiply
    15,995.64x = 23,993.46 × 13,253.88
  4. Step 4: Simplify right side
    15,995.64x = 318,006,439.62
  5. Step 5: Solve for x
    x = 318,006,439.62/15,995.64
  6. Step 6: Final answer
    x = 19,880.82

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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.