Home / 16,465.38-22,722.17-9,391.79

Finding the Fourth Proportional to 16,465.38, 22,722.17 and 9,391.79

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Solution

The fourth proportional to 16,465.38, 22,722.17 and 9,391.79 is: 12,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,465.38 : 22,722.17 = 9,391.79 : x
  2. Step 2: Convert to fraction form
    16,465.38/22,722.17 = 9,391.79/x
  3. Step 3: Cross multiply
    16,465.38x = 22,722.17 × 9,391.79
  4. Step 4: Simplify right side
    16,465.38x = 213,401,688.41
  5. Step 5: Solve for x
    x = 213,401,688.41/16,465.38
  6. Step 6: Final answer
    x = 12,960.63

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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.