Home / 25,350.90-34,987.17-15,284.49

Finding the Fourth Proportional to 25,350.90, 34,987.17 and 15,284.49

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Solution

The fourth proportional to 25,350.90, 34,987.17 and 15,284.49 is: 21,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,350.90 : 34,987.17 = 15,284.49 : x
  2. Step 2: Convert to fraction form
    25,350.90/34,987.17 = 15,284.49/x
  3. Step 3: Cross multiply
    25,350.90x = 34,987.17 × 15,284.49
  4. Step 4: Simplify right side
    25,350.90x = 534,761,049.99
  5. Step 5: Solve for x
    x = 534,761,049.99/25,350.90
  6. Step 6: Final answer
    x = 21,094.36

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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.