Home / 16,545.22-22,832.85-8,991.88

Finding the Fourth Proportional to 16,545.22, 22,832.85 and 8,991.88

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Solution

The fourth proportional to 16,545.22, 22,832.85 and 8,991.88 is: 12,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.22 : 22,832.85 = 8,991.88 : x
  2. Step 2: Convert to fraction form
    16,545.22/22,832.85 = 8,991.88/x
  3. Step 3: Cross multiply
    16,545.22x = 22,832.85 × 8,991.88
  4. Step 4: Simplify right side
    16,545.22x = 205,310,247.26
  5. Step 5: Solve for x
    x = 205,310,247.26/16,545.22
  6. Step 6: Final answer
    x = 12,409.04

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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.