Home / 14,163.38-19,545.94-7,790.24

Finding the Fourth Proportional to 14,163.38, 19,545.94 and 7,790.24

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Solution

The fourth proportional to 14,163.38, 19,545.94 and 7,790.24 is: 10,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.38 : 19,545.94 = 7,790.24 : x
  2. Step 2: Convert to fraction form
    14,163.38/19,545.94 = 7,790.24/x
  3. Step 3: Cross multiply
    14,163.38x = 19,545.94 × 7,790.24
  4. Step 4: Simplify right side
    14,163.38x = 152,267,426.94
  5. Step 5: Solve for x
    x = 152,267,426.94/14,163.38
  6. Step 6: Final answer
    x = 10,750.79

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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.