Home / 15,177.84-22,770.42-4,789.56

Finding the Fourth Proportional to 15,177.84, 22,770.42 and 4,789.56

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Solution

The fourth proportional to 15,177.84, 22,770.42 and 4,789.56 is: 7,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.84 : 22,770.42 = 4,789.56 : x
  2. Step 2: Convert to fraction form
    15,177.84/22,770.42 = 4,789.56/x
  3. Step 3: Cross multiply
    15,177.84x = 22,770.42 × 4,789.56
  4. Step 4: Simplify right side
    15,177.84x = 109,060,292.82
  5. Step 5: Solve for x
    x = 109,060,292.82/15,177.84
  6. Step 6: Final answer
    x = 7,185.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.