Home / 15,545.46-23,317.95-3,858.78

Finding the Fourth Proportional to 15,545.46, 23,317.95 and 3,858.78

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Solution

The fourth proportional to 15,545.46, 23,317.95 and 3,858.78 is: 5,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.46 : 23,317.95 = 3,858.78 : x
  2. Step 2: Convert to fraction form
    15,545.46/23,317.95 = 3,858.78/x
  3. Step 3: Cross multiply
    15,545.46x = 23,317.95 × 3,858.78
  4. Step 4: Simplify right side
    15,545.46x = 89,978,839.10
  5. Step 5: Solve for x
    x = 89,978,839.10/15,545.46
  6. Step 6: Final answer
    x = 5,788.11

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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.