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Finding the Fourth Proportional to 14,713.20, 22,069.80 and 13,100.40

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Solution

The fourth proportional to 14,713.20, 22,069.80 and 13,100.40 is: 19,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.20 : 22,069.80 = 13,100.40 : x
  2. Step 2: Convert to fraction form
    14,713.20/22,069.80 = 13,100.40/x
  3. Step 3: Cross multiply
    14,713.20x = 22,069.80 × 13,100.40
  4. Step 4: Simplify right side
    14,713.20x = 289,123,207.92
  5. Step 5: Solve for x
    x = 289,123,207.92/14,713.20
  6. Step 6: Final answer
    x = 19,650.60

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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.