Home / 25,542.78-38,295.08-17,622.70

Finding the Fourth Proportional to 25,542.78, 38,295.08 and 17,622.70

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Solution

The fourth proportional to 25,542.78, 38,295.08 and 17,622.70 is: 26,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.78 : 38,295.08 = 17,622.70 : x
  2. Step 2: Convert to fraction form
    25,542.78/38,295.08 = 17,622.70/x
  3. Step 3: Cross multiply
    25,542.78x = 38,295.08 × 17,622.70
  4. Step 4: Simplify right side
    25,542.78x = 674,862,661.47
  5. Step 5: Solve for x
    x = 674,862,661.47/25,542.78
  6. Step 6: Final answer
    x = 26,420.88

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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.