Home / 25,099.97-37,642.02-8,456.12

Finding the Fourth Proportional to 25,099.97, 37,642.02 and 8,456.12

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Solution

The fourth proportional to 25,099.97, 37,642.02 and 8,456.12 is: 12,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.97 : 37,642.02 = 8,456.12 : x
  2. Step 2: Convert to fraction form
    25,099.97/37,642.02 = 8,456.12/x
  3. Step 3: Cross multiply
    25,099.97x = 37,642.02 × 8,456.12
  4. Step 4: Simplify right side
    25,099.97x = 318,305,359.40
  5. Step 5: Solve for x
    x = 318,305,359.40/25,099.97
  6. Step 6: Final answer
    x = 12,681.51

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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.