Home / 16,545.24-22,832.82-8,991.99

Finding the Fourth Proportional to 16,545.24, 22,832.82 and 8,991.99

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Solution

The fourth proportional to 16,545.24, 22,832.82 and 8,991.99 is: 12,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.24 : 22,832.82 = 8,991.99 : x
  2. Step 2: Convert to fraction form
    16,545.24/22,832.82 = 8,991.99/x
  3. Step 3: Cross multiply
    16,545.24x = 22,832.82 × 8,991.99
  4. Step 4: Simplify right side
    16,545.24x = 205,312,489.11
  5. Step 5: Solve for x
    x = 205,312,489.11/16,545.24
  6. Step 6: Final answer
    x = 12,409.16

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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.