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Finding the Fourth Proportional to 16,505.38, 22,750.90 and 12,914.14

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Solution

The fourth proportional to 16,505.38, 22,750.90 and 12,914.14 is: 17,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.38 : 22,750.90 = 12,914.14 : x
  2. Step 2: Convert to fraction form
    16,505.38/22,750.90 = 12,914.14/x
  3. Step 3: Cross multiply
    16,505.38x = 22,750.90 × 12,914.14
  4. Step 4: Simplify right side
    16,505.38x = 293,808,332.32
  5. Step 5: Solve for x
    x = 293,808,332.32/16,505.38
  6. Step 6: Final answer
    x = 17,800.76

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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.