Home / 16,041.60-22,138.58-8,967.57

Finding the Fourth Proportional to 16,041.60, 22,138.58 and 8,967.57

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Solution

The fourth proportional to 16,041.60, 22,138.58 and 8,967.57 is: 12,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,041.60 : 22,138.58 = 8,967.57 : x
  2. Step 2: Convert to fraction form
    16,041.60/22,138.58 = 8,967.57/x
  3. Step 3: Cross multiply
    16,041.60x = 22,138.58 × 8,967.57
  4. Step 4: Simplify right side
    16,041.60x = 198,529,265.85
  5. Step 5: Solve for x
    x = 198,529,265.85/16,041.60
  6. Step 6: Final answer
    x = 12,375.90

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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.