Home / 16,545.19-22,832.46-8,991.58

Finding the Fourth Proportional to 16,545.19, 22,832.46 and 8,991.58

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Solution

The fourth proportional to 16,545.19, 22,832.46 and 8,991.58 is: 12,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.19 : 22,832.46 = 8,991.58 : x
  2. Step 2: Convert to fraction form
    16,545.19/22,832.46 = 8,991.58/x
  3. Step 3: Cross multiply
    16,545.19x = 22,832.46 × 8,991.58
  4. Step 4: Simplify right side
    16,545.19x = 205,299,890.69
  5. Step 5: Solve for x
    x = 205,299,890.69/16,545.19
  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.