Home / 23,419.20-32,308.68-15,354.79

Finding the Fourth Proportional to 23,419.20, 32,308.68 and 15,354.79

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Solution

The fourth proportional to 23,419.20, 32,308.68 and 15,354.79 is: 21,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.20 : 32,308.68 = 15,354.79 : x
  2. Step 2: Convert to fraction form
    23,419.20/32,308.68 = 15,354.79/x
  3. Step 3: Cross multiply
    23,419.20x = 32,308.68 × 15,354.79
  4. Step 4: Simplify right side
    23,419.20x = 496,092,996.58
  5. Step 5: Solve for x
    x = 496,092,996.58/23,419.20
  6. Step 6: Final answer
    x = 21,183.17

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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.