Home / 16,545.30-22,832.64-8,991.63

Finding the Fourth Proportional to 16,545.30, 22,832.64 and 8,991.63

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Solution

The fourth proportional to 16,545.30, 22,832.64 and 8,991.63 is: 12,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.30 : 22,832.64 = 8,991.63 : x
  2. Step 2: Convert to fraction form
    16,545.30/22,832.64 = 8,991.63/x
  3. Step 3: Cross multiply
    16,545.30x = 22,832.64 × 8,991.63
  4. Step 4: Simplify right side
    16,545.30x = 205,302,650.80
  5. Step 5: Solve for x
    x = 205,302,650.80/16,545.30
  6. Step 6: Final answer
    x = 12,408.52

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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.