Home / 25,320.35-34,943.45-15,251.91

Finding the Fourth Proportional to 25,320.35, 34,943.45 and 15,251.91

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Solution

The fourth proportional to 25,320.35, 34,943.45 and 15,251.91 is: 21,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.35 : 34,943.45 = 15,251.91 : x
  2. Step 2: Convert to fraction form
    25,320.35/34,943.45 = 15,251.91/x
  3. Step 3: Cross multiply
    25,320.35x = 34,943.45 × 15,251.91
  4. Step 4: Simplify right side
    25,320.35x = 532,954,278.23
  5. Step 5: Solve for x
    x = 532,954,278.23/25,320.35
  6. Step 6: Final answer
    x = 21,048.46

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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.