Home / 14,257.28-19,675.68-7,969.66

Finding the Fourth Proportional to 14,257.28, 19,675.68 and 7,969.66

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Solution

The fourth proportional to 14,257.28, 19,675.68 and 7,969.66 is: 10,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.28 : 19,675.68 = 7,969.66 : x
  2. Step 2: Convert to fraction form
    14,257.28/19,675.68 = 7,969.66/x
  3. Step 3: Cross multiply
    14,257.28x = 19,675.68 × 7,969.66
  4. Step 4: Simplify right side
    14,257.28x = 156,808,479.87
  5. Step 5: Solve for x
    x = 156,808,479.87/14,257.28
  6. Step 6: Final answer
    x = 10,998.48

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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.