Home / 14,297.28-19,729.66-7,923.97

Finding the Fourth Proportional to 14,297.28, 19,729.66 and 7,923.97

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Solution

The fourth proportional to 14,297.28, 19,729.66 and 7,923.97 is: 10,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.28 : 19,729.66 = 7,923.97 : x
  2. Step 2: Convert to fraction form
    14,297.28/19,729.66 = 7,923.97/x
  3. Step 3: Cross multiply
    14,297.28x = 19,729.66 × 7,923.97
  4. Step 4: Simplify right side
    14,297.28x = 156,337,233.95
  5. Step 5: Solve for x
    x = 156,337,233.95/14,297.28
  6. Step 6: Final answer
    x = 10,934.75

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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.