Home / 25,545.24-38,310.12-8,900.64

Finding the Fourth Proportional to 25,545.24, 38,310.12 and 8,900.64

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Solution

The fourth proportional to 25,545.24, 38,310.12 and 8,900.64 is: 13,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.24 : 38,310.12 = 8,900.64 : x
  2. Step 2: Convert to fraction form
    25,545.24/38,310.12 = 8,900.64/x
  3. Step 3: Cross multiply
    25,545.24x = 38,310.12 × 8,900.64
  4. Step 4: Simplify right side
    25,545.24x = 340,984,586.48
  5. Step 5: Solve for x
    x = 340,984,586.48/25,545.24
  6. Step 6: Final answer
    x = 13,348.26

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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.