Home / 16,545.45-22,832.65-8,991.64

Finding the Fourth Proportional to 16,545.45, 22,832.65 and 8,991.64

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Solution

The fourth proportional to 16,545.45, 22,832.65 and 8,991.64 is: 12,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.45 : 22,832.65 = 8,991.64 : x
  2. Step 2: Convert to fraction form
    16,545.45/22,832.65 = 8,991.64/x
  3. Step 3: Cross multiply
    16,545.45x = 22,832.65 × 8,991.64
  4. Step 4: Simplify right side
    16,545.45x = 205,303,008.83
  5. Step 5: Solve for x
    x = 205,303,008.83/16,545.45
  6. Step 6: Final answer
    x = 12,408.42

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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.