Home / 18,672.90-25,767.60-11,599.20

Finding the Fourth Proportional to 18,672.90, 25,767.60 and 11,599.20

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Solution

The fourth proportional to 18,672.90, 25,767.60 and 11,599.20 is: 16,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.90 : 25,767.60 = 11,599.20 : x
  2. Step 2: Convert to fraction form
    18,672.90/25,767.60 = 11,599.20/x
  3. Step 3: Cross multiply
    18,672.90x = 25,767.60 × 11,599.20
  4. Step 4: Simplify right side
    18,672.90x = 298,883,545.92
  5. Step 5: Solve for x
    x = 298,883,545.92/18,672.90
  6. Step 6: Final answer
    x = 16,006.27

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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.