Home / 16,079.36-22,193.92-9,791.68

Finding the Fourth Proportional to 16,079.36, 22,193.92 and 9,791.68

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Solution

The fourth proportional to 16,079.36, 22,193.92 and 9,791.68 is: 13,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.36 : 22,193.92 = 9,791.68 : x
  2. Step 2: Convert to fraction form
    16,079.36/22,193.92 = 9,791.68/x
  3. Step 3: Cross multiply
    16,079.36x = 22,193.92 × 9,791.68
  4. Step 4: Simplify right side
    16,079.36x = 217,315,762.59
  5. Step 5: Solve for x
    x = 217,315,762.59/16,079.36
  6. Step 6: Final answer
    x = 13,515.20

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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.