Home / 15,288.75-22,936.42-4,758.55

Finding the Fourth Proportional to 15,288.75, 22,936.42 and 4,758.55

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Solution

The fourth proportional to 15,288.75, 22,936.42 and 4,758.55 is: 7,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.75 : 22,936.42 = 4,758.55 : x
  2. Step 2: Convert to fraction form
    15,288.75/22,936.42 = 4,758.55/x
  3. Step 3: Cross multiply
    15,288.75x = 22,936.42 × 4,758.55
  4. Step 4: Simplify right side
    15,288.75x = 109,144,023.23
  5. Step 5: Solve for x
    x = 109,144,023.23/15,288.75
  6. Step 6: Final answer
    x = 7,138.85

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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.