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Finding the Fourth Proportional to 14,920.71, 22,348.67 and 14,505.99

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Solution

The fourth proportional to 14,920.71, 22,348.67 and 14,505.99 is: 21,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.71 : 22,348.67 = 14,505.99 : x
  2. Step 2: Convert to fraction form
    14,920.71/22,348.67 = 14,505.99/x
  3. Step 3: Cross multiply
    14,920.71x = 22,348.67 × 14,505.99
  4. Step 4: Simplify right side
    14,920.71x = 324,189,511.00
  5. Step 5: Solve for x
    x = 324,189,511.00/14,920.71
  6. Step 6: Final answer
    x = 21,727.49

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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.