Home / 16,761.72-25,143.78-5,075.85

Finding the Fourth Proportional to 16,761.72, 25,143.78 and 5,075.85

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Solution

The fourth proportional to 16,761.72, 25,143.78 and 5,075.85 is: 7,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.72 : 25,143.78 = 5,075.85 : x
  2. Step 2: Convert to fraction form
    16,761.72/25,143.78 = 5,075.85/x
  3. Step 3: Cross multiply
    16,761.72x = 25,143.78 × 5,075.85
  4. Step 4: Simplify right side
    16,761.72x = 127,626,055.71
  5. Step 5: Solve for x
    x = 127,626,055.71/16,761.72
  6. Step 6: Final answer
    x = 7,614.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.