Home / 16,440.93-22,690.13-9,367.65

Finding the Fourth Proportional to 16,440.93, 22,690.13 and 9,367.65

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Solution

The fourth proportional to 16,440.93, 22,690.13 and 9,367.65 is: 12,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.93 : 22,690.13 = 9,367.65 : x
  2. Step 2: Convert to fraction form
    16,440.93/22,690.13 = 9,367.65/x
  3. Step 3: Cross multiply
    16,440.93x = 22,690.13 × 9,367.65
  4. Step 4: Simplify right side
    16,440.93x = 212,553,149.46
  5. Step 5: Solve for x
    x = 212,553,149.46/16,440.93
  6. Step 6: Final answer
    x = 12,928.29

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Double scale
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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.