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Finding the Fourth Proportional to 14,693.80, 22,149.14 and 13,836.47

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Solution

The fourth proportional to 14,693.80, 22,149.14 and 13,836.47 is: 20,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.80 : 22,149.14 = 13,836.47 : x
  2. Step 2: Convert to fraction form
    14,693.80/22,149.14 = 13,836.47/x
  3. Step 3: Cross multiply
    14,693.80x = 22,149.14 × 13,836.47
  4. Step 4: Simplify right side
    14,693.80x = 306,465,800.39
  5. Step 5: Solve for x
    x = 306,465,800.39/14,693.80
  6. Step 6: Final answer
    x = 20,856.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.