Home / 25,155.70-34,713.18-13,824.95

Finding the Fourth Proportional to 25,155.70, 34,713.18 and 13,824.95

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Solution

The fourth proportional to 25,155.70, 34,713.18 and 13,824.95 is: 19,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.70 : 34,713.18 = 13,824.95 : x
  2. Step 2: Convert to fraction form
    25,155.70/34,713.18 = 13,824.95/x
  3. Step 3: Cross multiply
    25,155.70x = 34,713.18 × 13,824.95
  4. Step 4: Simplify right side
    25,155.70x = 479,908,064.62
  5. Step 5: Solve for x
    x = 479,908,064.62/25,155.70
  6. Step 6: Final answer
    x = 19,077.51

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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.