Home / 25,949.40-38,892.10-17,629.40

Finding the Fourth Proportional to 25,949.40, 38,892.10 and 17,629.40

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Solution

The fourth proportional to 25,949.40, 38,892.10 and 17,629.40 is: 26,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.40 : 38,892.10 = 17,629.40 : x
  2. Step 2: Convert to fraction form
    25,949.40/38,892.10 = 17,629.40/x
  3. Step 3: Cross multiply
    25,949.40x = 38,892.10 × 17,629.40
  4. Step 4: Simplify right side
    25,949.40x = 685,644,387.74
  5. Step 5: Solve for x
    x = 685,644,387.74/25,949.40
  6. Step 6: Final answer
    x = 26,422.36

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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.