Home / 15,840.99-23,760.56-4,747.95

Finding the Fourth Proportional to 15,840.99, 23,760.56 and 4,747.95

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Solution

The fourth proportional to 15,840.99, 23,760.56 and 4,747.95 is: 7,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.99 : 23,760.56 = 4,747.95 : x
  2. Step 2: Convert to fraction form
    15,840.99/23,760.56 = 4,747.95/x
  3. Step 3: Cross multiply
    15,840.99x = 23,760.56 × 4,747.95
  4. Step 4: Simplify right side
    15,840.99x = 112,813,962.72
  5. Step 5: Solve for x
    x = 112,813,962.72/15,840.99
  6. Step 6: Final answer
    x = 7,121.65

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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.