Home / 18,385.60-27,562.20-16,417.30

Finding the Fourth Proportional to 18,385.60, 27,562.20 and 16,417.30

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Solution

The fourth proportional to 18,385.60, 27,562.20 and 16,417.30 is: 24,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.60 : 27,562.20 = 16,417.30 : x
  2. Step 2: Convert to fraction form
    18,385.60/27,562.20 = 16,417.30/x
  3. Step 3: Cross multiply
    18,385.60x = 27,562.20 × 16,417.30
  4. Step 4: Simplify right side
    18,385.60x = 452,496,906.06
  5. Step 5: Solve for x
    x = 452,496,906.06/18,385.60
  6. Step 6: Final answer
    x = 24,611.48

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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.