Home / 25,099.47-34,617.92-18,382.68

Finding the Fourth Proportional to 25,099.47, 34,617.92 and 18,382.68

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Solution

The fourth proportional to 25,099.47, 34,617.92 and 18,382.68 is: 25,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.47 : 34,617.92 = 18,382.68 : x
  2. Step 2: Convert to fraction form
    25,099.47/34,617.92 = 18,382.68/x
  3. Step 3: Cross multiply
    25,099.47x = 34,617.92 × 18,382.68
  4. Step 4: Simplify right side
    25,099.47x = 636,370,053.71
  5. Step 5: Solve for x
    x = 636,370,053.71/25,099.47
  6. Step 6: Final answer
    x = 25,353.92

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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.