Home / 25,404.57-38,112.15-7,634.51

Finding the Fourth Proportional to 25,404.57, 38,112.15 and 7,634.51

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Solution

The fourth proportional to 25,404.57, 38,112.15 and 7,634.51 is: 11,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.57 : 38,112.15 = 7,634.51 : x
  2. Step 2: Convert to fraction form
    25,404.57/38,112.15 = 7,634.51/x
  3. Step 3: Cross multiply
    25,404.57x = 38,112.15 × 7,634.51
  4. Step 4: Simplify right side
    25,404.57x = 290,967,399.74
  5. Step 5: Solve for x
    x = 290,967,399.74/25,404.57
  6. Step 6: Final answer
    x = 11,453.35

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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.