Home / 25,434.38-35,099.44-15,498.38

Finding the Fourth Proportional to 25,434.38, 35,099.44 and 15,498.38

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Solution

The fourth proportional to 25,434.38, 35,099.44 and 15,498.38 is: 21,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.38 : 35,099.44 = 15,498.38 : x
  2. Step 2: Convert to fraction form
    25,434.38/35,099.44 = 15,498.38/x
  3. Step 3: Cross multiply
    25,434.38x = 35,099.44 × 15,498.38
  4. Step 4: Simplify right side
    25,434.38x = 543,984,244.66
  5. Step 5: Solve for x
    x = 543,984,244.66/25,434.38
  6. Step 6: Final answer
    x = 21,387.76

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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.