Home / 14,255.28-19,672.92-7,967.66

Finding the Fourth Proportional to 14,255.28, 19,672.92 and 7,967.66

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Solution

The fourth proportional to 14,255.28, 19,672.92 and 7,967.66 is: 10,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.28 : 19,672.92 = 7,967.66 : x
  2. Step 2: Convert to fraction form
    14,255.28/19,672.92 = 7,967.66/x
  3. Step 3: Cross multiply
    14,255.28x = 19,672.92 × 7,967.66
  4. Step 4: Simplify right side
    14,255.28x = 156,747,039.40
  5. Step 5: Solve for x
    x = 156,747,039.40/14,255.28
  6. Step 6: Final answer
    x = 10,995.72

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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.