Home / 14,757.12-20,363.40-8,468.28

Finding the Fourth Proportional to 14,757.12, 20,363.40 and 8,468.28

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Solution

The fourth proportional to 14,757.12, 20,363.40 and 8,468.28 is: 11,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.12 : 20,363.40 = 8,468.28 : x
  2. Step 2: Convert to fraction form
    14,757.12/20,363.40 = 8,468.28/x
  3. Step 3: Cross multiply
    14,757.12x = 20,363.40 × 8,468.28
  4. Step 4: Simplify right side
    14,757.12x = 172,442,972.95
  5. Step 5: Solve for x
    x = 172,442,972.95/14,757.12
  6. Step 6: Final answer
    x = 11,685.41

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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.