Home / 25,063.20-34,508.48-21,278.52

Finding the Fourth Proportional to 25,063.20, 34,508.48 and 21,278.52

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Solution

The fourth proportional to 25,063.20, 34,508.48 and 21,278.52 is: 29,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,063.20 : 34,508.48 = 21,278.52 : x
  2. Step 2: Convert to fraction form
    25,063.20/34,508.48 = 21,278.52/x
  3. Step 3: Cross multiply
    25,063.20x = 34,508.48 × 21,278.52
  4. Step 4: Simplify right side
    25,063.20x = 734,289,381.85
  5. Step 5: Solve for x
    x = 734,289,381.85/25,063.20
  6. Step 6: Final answer
    x = 29,297.51

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1.5x scale

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.