Home / 25,356.60-38,023.92-19,517.31

Finding the Fourth Proportional to 25,356.60, 38,023.92 and 19,517.31

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Solution

The fourth proportional to 25,356.60, 38,023.92 and 19,517.31 is: 29,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.60 : 38,023.92 = 19,517.31 : x
  2. Step 2: Convert to fraction form
    25,356.60/38,023.92 = 19,517.31/x
  3. Step 3: Cross multiply
    25,356.60x = 38,023.92 × 19,517.31
  4. Step 4: Simplify right side
    25,356.60x = 742,124,634.06
  5. Step 5: Solve for x
    x = 742,124,634.06/25,356.60
  6. Step 6: Final answer
    x = 29,267.51

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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.