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Finding the Fourth Proportional to 17,401.20, 23,996 and 14,891.68

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Solution

The fourth proportional to 17,401.20, 23,996 and 14,891.68 is: 20,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,401.20 : 23,996 = 14,891.68 : x
  2. Step 2: Convert to fraction form
    17,401.20/23,996 = 14,891.68/x
  3. Step 3: Cross multiply
    17,401.20x = 23,996 × 14,891.68
  4. Step 4: Simplify right side
    17,401.20x = 357,340,753.28
  5. Step 5: Solve for x
    x = 357,340,753.28/17,401.20
  6. Step 6: Final answer
    x = 20,535.41

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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.