Home / 16,462.91-22,718.69-8,909.19

Finding the Fourth Proportional to 16,462.91, 22,718.69 and 8,909.19

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Solution

The fourth proportional to 16,462.91, 22,718.69 and 8,909.19 is: 12,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,462.91 : 22,718.69 = 8,909.19 : x
  2. Step 2: Convert to fraction form
    16,462.91/22,718.69 = 8,909.19/x
  3. Step 3: Cross multiply
    16,462.91x = 22,718.69 × 8,909.19
  4. Step 4: Simplify right side
    16,462.91x = 202,405,125.76
  5. Step 5: Solve for x
    x = 202,405,125.76/16,462.91
  6. Step 6: Final answer
    x = 12,294.61

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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.