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Finding the Fourth Proportional to 14,956.52, 20,627.88 and 13,160.12

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Solution

The fourth proportional to 14,956.52, 20,627.88 and 13,160.12 is: 18,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.52 : 20,627.88 = 13,160.12 : x
  2. Step 2: Convert to fraction form
    14,956.52/20,627.88 = 13,160.12/x
  3. Step 3: Cross multiply
    14,956.52x = 20,627.88 × 13,160.12
  4. Step 4: Simplify right side
    14,956.52x = 271,465,376.15
  5. Step 5: Solve for x
    x = 271,465,376.15/14,956.52
  6. Step 6: Final answer
    x = 18,150.30

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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.