Home / 25,400.38-35,054.70-14,791

Finding the Fourth Proportional to 25,400.38, 35,054.70 and 14,791

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Solution

The fourth proportional to 25,400.38, 35,054.70 and 14,791 is: 20,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.38 : 35,054.70 = 14,791 : x
  2. Step 2: Convert to fraction form
    25,400.38/35,054.70 = 14,791/x
  3. Step 3: Cross multiply
    25,400.38x = 35,054.70 × 14,791
  4. Step 4: Simplify right side
    25,400.38x = 518,494,067.70
  5. Step 5: Solve for x
    x = 518,494,067.70/25,400.38
  6. Step 6: Final answer
    x = 20,412.85

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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.