Home / 25,545.78-38,299.58-17,625.70

Finding the Fourth Proportional to 25,545.78, 38,299.58 and 17,625.70

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Solution

The fourth proportional to 25,545.78, 38,299.58 and 17,625.70 is: 26,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.78 : 38,299.58 = 17,625.70 : x
  2. Step 2: Convert to fraction form
    25,545.78/38,299.58 = 17,625.70/x
  3. Step 3: Cross multiply
    25,545.78x = 38,299.58 × 17,625.70
  4. Step 4: Simplify right side
    25,545.78x = 675,056,907.21
  5. Step 5: Solve for x
    x = 675,056,907.21/25,545.78
  6. Step 6: Final answer
    x = 26,425.38

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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.