Home / 16,189.99-22,344.33-9,117.79

Finding the Fourth Proportional to 16,189.99, 22,344.33 and 9,117.79

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Solution

The fourth proportional to 16,189.99, 22,344.33 and 9,117.79 is: 12,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.99 : 22,344.33 = 9,117.79 : x
  2. Step 2: Convert to fraction form
    16,189.99/22,344.33 = 9,117.79/x
  3. Step 3: Cross multiply
    16,189.99x = 22,344.33 × 9,117.79
  4. Step 4: Simplify right side
    16,189.99x = 203,730,908.63
  5. Step 5: Solve for x
    x = 203,730,908.63/16,189.99
  6. Step 6: Final answer
    x = 12,583.76

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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.