Home / 25,207.37-37,761.84-18,531.55

Finding the Fourth Proportional to 25,207.37, 37,761.84 and 18,531.55

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Solution

The fourth proportional to 25,207.37, 37,761.84 and 18,531.55 is: 27,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.37 : 37,761.84 = 18,531.55 : x
  2. Step 2: Convert to fraction form
    25,207.37/37,761.84 = 18,531.55/x
  3. Step 3: Cross multiply
    25,207.37x = 37,761.84 × 18,531.55
  4. Step 4: Simplify right side
    25,207.37x = 699,785,426.05
  5. Step 5: Solve for x
    x = 699,785,426.05/25,207.37
  6. Step 6: Final answer
    x = 27,761.14

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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.