Home / 25,497.18-35,184.24-15,431.22

Finding the Fourth Proportional to 25,497.18, 35,184.24 and 15,431.22

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Solution

The fourth proportional to 25,497.18, 35,184.24 and 15,431.22 is: 21,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.18 : 35,184.24 = 15,431.22 : x
  2. Step 2: Convert to fraction form
    25,497.18/35,184.24 = 15,431.22/x
  3. Step 3: Cross multiply
    25,497.18x = 35,184.24 × 15,431.22
  4. Step 4: Simplify right side
    25,497.18x = 542,935,747.97
  5. Step 5: Solve for x
    x = 542,935,747.97/25,497.18
  6. Step 6: Final answer
    x = 21,293.95

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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.