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Finding the Fourth Proportional to 14,793.60, 20,407.50 and 10,013.70

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Solution

The fourth proportional to 14,793.60, 20,407.50 and 10,013.70 is: 13,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.60 : 20,407.50 = 10,013.70 : x
  2. Step 2: Convert to fraction form
    14,793.60/20,407.50 = 10,013.70/x
  3. Step 3: Cross multiply
    14,793.60x = 20,407.50 × 10,013.70
  4. Step 4: Simplify right side
    14,793.60x = 204,354,582.75
  5. Step 5: Solve for x
    x = 204,354,582.75/14,793.60
  6. Step 6: Final answer
    x = 13,813.72

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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.