Home / 17,677.85-24,396.05-9,720.68

Finding the Fourth Proportional to 17,677.85, 24,396.05 and 9,720.68

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Solution

The fourth proportional to 17,677.85, 24,396.05 and 9,720.68 is: 13,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.85 : 24,396.05 = 9,720.68 : x
  2. Step 2: Convert to fraction form
    17,677.85/24,396.05 = 9,720.68/x
  3. Step 3: Cross multiply
    17,677.85x = 24,396.05 × 9,720.68
  4. Step 4: Simplify right side
    17,677.85x = 237,146,097.64
  5. Step 5: Solve for x
    x = 237,146,097.64/17,677.85
  6. Step 6: Final answer
    x = 13,414.88

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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.