Home / 14,939.15-22,410.68-5,075.78

Finding the Fourth Proportional to 14,939.15, 22,410.68 and 5,075.78

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Solution

The fourth proportional to 14,939.15, 22,410.68 and 5,075.78 is: 7,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.15 : 22,410.68 = 5,075.78 : x
  2. Step 2: Convert to fraction form
    14,939.15/22,410.68 = 5,075.78/x
  3. Step 3: Cross multiply
    14,939.15x = 22,410.68 × 5,075.78
  4. Step 4: Simplify right side
    14,939.15x = 113,751,543.90
  5. Step 5: Solve for x
    x = 113,751,543.90/14,939.15
  6. Step 6: Final answer
    x = 7,614.33

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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.