Home / 13,950.28-19,251.78-7,663.06

Finding the Fourth Proportional to 13,950.28, 19,251.78 and 7,663.06

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Solution

The fourth proportional to 13,950.28, 19,251.78 and 7,663.06 is: 10,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.28 : 19,251.78 = 7,663.06 : x
  2. Step 2: Convert to fraction form
    13,950.28/19,251.78 = 7,663.06/x
  3. Step 3: Cross multiply
    13,950.28x = 19,251.78 × 7,663.06
  4. Step 4: Simplify right side
    13,950.28x = 147,527,545.25
  5. Step 5: Solve for x
    x = 147,527,545.25/13,950.28
  6. Step 6: Final answer
    x = 10,575.24

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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.