Home / 16,545.08-22,832.43-8,991.53

Finding the Fourth Proportional to 16,545.08, 22,832.43 and 8,991.53

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Solution

The fourth proportional to 16,545.08, 22,832.43 and 8,991.53 is: 12,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.08 : 22,832.43 = 8,991.53 : x
  2. Step 2: Convert to fraction form
    16,545.08/22,832.43 = 8,991.53/x
  3. Step 3: Cross multiply
    16,545.08x = 22,832.43 × 8,991.53
  4. Step 4: Simplify right side
    16,545.08x = 205,298,365.16
  5. Step 5: Solve for x
    x = 205,298,365.16/16,545.08
  6. Step 6: Final answer
    x = 12,408.43

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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.