Home / 25,445.79-38,150.24-17,105.12

Finding the Fourth Proportional to 25,445.79, 38,150.24 and 17,105.12

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Solution

The fourth proportional to 25,445.79, 38,150.24 and 17,105.12 is: 25,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.79 : 38,150.24 = 17,105.12 : x
  2. Step 2: Convert to fraction form
    25,445.79/38,150.24 = 17,105.12/x
  3. Step 3: Cross multiply
    25,445.79x = 38,150.24 × 17,105.12
  4. Step 4: Simplify right side
    25,445.79x = 652,564,347.70
  5. Step 5: Solve for x
    x = 652,564,347.70/25,445.79
  6. Step 6: Final answer
    x = 25,645.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.