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Finding the Fourth Proportional to 15,097.52, 20,827.32 and 11,734.40

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Solution

The fourth proportional to 15,097.52, 20,827.32 and 11,734.40 is: 16,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097.52 : 20,827.32 = 11,734.40 : x
  2. Step 2: Convert to fraction form
    15,097.52/20,827.32 = 11,734.40/x
  3. Step 3: Cross multiply
    15,097.52x = 20,827.32 × 11,734.40
  4. Step 4: Simplify right side
    15,097.52x = 244,396,103.81
  5. Step 5: Solve for x
    x = 244,396,103.81/15,097.52
  6. Step 6: Final answer
    x = 16,187.83

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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.