Home / 25,257.45-34,836.42-18,540.93

Finding the Fourth Proportional to 25,257.45, 34,836.42 and 18,540.93

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Solution

The fourth proportional to 25,257.45, 34,836.42 and 18,540.93 is: 25,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.45 : 34,836.42 = 18,540.93 : x
  2. Step 2: Convert to fraction form
    25,257.45/34,836.42 = 18,540.93/x
  3. Step 3: Cross multiply
    25,257.45x = 34,836.42 × 18,540.93
  4. Step 4: Simplify right side
    25,257.45x = 645,899,624.67
  5. Step 5: Solve for x
    x = 645,899,624.67/25,257.45
  6. Step 6: Final answer
    x = 25,572.64

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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.