Home / 16,234.61-22,403.78-9,161.69

Finding the Fourth Proportional to 16,234.61, 22,403.78 and 9,161.69

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Solution

The fourth proportional to 16,234.61, 22,403.78 and 9,161.69 is: 12,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.61 : 22,403.78 = 9,161.69 : x
  2. Step 2: Convert to fraction form
    16,234.61/22,403.78 = 9,161.69/x
  3. Step 3: Cross multiply
    16,234.61x = 22,403.78 × 9,161.69
  4. Step 4: Simplify right side
    16,234.61x = 205,256,487.19
  5. Step 5: Solve for x
    x = 205,256,487.19/16,234.61
  6. Step 6: Final answer
    x = 12,643.14

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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.