Home / 25,948.50-38,821.56-19,726.50

Finding the Fourth Proportional to 25,948.50, 38,821.56 and 19,726.50

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Solution

The fourth proportional to 25,948.50, 38,821.56 and 19,726.50 is: 29,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.50 : 38,821.56 = 19,726.50 : x
  2. Step 2: Convert to fraction form
    25,948.50/38,821.56 = 19,726.50/x
  3. Step 3: Cross multiply
    25,948.50x = 38,821.56 × 19,726.50
  4. Step 4: Simplify right side
    25,948.50x = 765,813,503.34
  5. Step 5: Solve for x
    x = 765,813,503.34/25,948.50
  6. Step 6: Final answer
    x = 29,512.82

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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.