Home / 25,498.18-35,185.62-15,432.22

Finding the Fourth Proportional to 25,498.18, 35,185.62 and 15,432.22

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Solution

The fourth proportional to 25,498.18, 35,185.62 and 15,432.22 is: 21,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,498.18 : 35,185.62 = 15,432.22 : x
  2. Step 2: Convert to fraction form
    25,498.18/35,185.62 = 15,432.22/x
  3. Step 3: Cross multiply
    25,498.18x = 35,185.62 × 15,432.22
  4. Step 4: Simplify right side
    25,498.18x = 542,992,228.68
  5. Step 5: Solve for x
    x = 542,992,228.68/25,498.18
  6. Step 6: Final answer
    x = 21,295.33

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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.