Home / 25,397.12-35,023.92-19,429.04

Finding the Fourth Proportional to 25,397.12, 35,023.92 and 19,429.04

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Solution

The fourth proportional to 25,397.12, 35,023.92 and 19,429.04 is: 26,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.12 : 35,023.92 = 19,429.04 : x
  2. Step 2: Convert to fraction form
    25,397.12/35,023.92 = 19,429.04/x
  3. Step 3: Cross multiply
    25,397.12x = 35,023.92 × 19,429.04
  4. Step 4: Simplify right side
    25,397.12x = 680,481,142.64
  5. Step 5: Solve for x
    x = 680,481,142.64/25,397.12
  6. Step 6: Final answer
    x = 26,793.63

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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.