Home / 25,150.20-34,707.20-13,972.20

Finding the Fourth Proportional to 25,150.20, 34,707.20 and 13,972.20

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Solution

The fourth proportional to 25,150.20, 34,707.20 and 13,972.20 is: 19,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.20 : 34,707.20 = 13,972.20 : x
  2. Step 2: Convert to fraction form
    25,150.20/34,707.20 = 13,972.20/x
  3. Step 3: Cross multiply
    25,150.20x = 34,707.20 × 13,972.20
  4. Step 4: Simplify right side
    25,150.20x = 484,935,869.98
  5. Step 5: Solve for x
    x = 484,935,869.98/25,150.20
  6. Step 6: Final answer
    x = 19,281.59

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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.