Home / 25,340.62-34,972.20-14,729.57

Finding the Fourth Proportional to 25,340.62, 34,972.20 and 14,729.57

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Solution

The fourth proportional to 25,340.62, 34,972.20 and 14,729.57 is: 20,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.62 : 34,972.20 = 14,729.57 : x
  2. Step 2: Convert to fraction form
    25,340.62/34,972.20 = 14,729.57/x
  3. Step 3: Cross multiply
    25,340.62x = 34,972.20 × 14,729.57
  4. Step 4: Simplify right side
    25,340.62x = 515,125,467.95
  5. Step 5: Solve for x
    x = 515,125,467.95/25,340.62
  6. Step 6: Final answer
    x = 20,328.06

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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.