Home / 15,356.61-23,029.25-12,076.11

Finding the Fourth Proportional to 15,356.61, 23,029.25 and 12,076.11

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Solution

The fourth proportional to 15,356.61, 23,029.25 and 12,076.11 is: 18,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.61 : 23,029.25 = 12,076.11 : x
  2. Step 2: Convert to fraction form
    15,356.61/23,029.25 = 12,076.11/x
  3. Step 3: Cross multiply
    15,356.61x = 23,029.25 × 12,076.11
  4. Step 4: Simplify right side
    15,356.61x = 278,103,695.84
  5. Step 5: Solve for x
    x = 278,103,695.84/15,356.61
  6. Step 6: Final answer
    x = 18,109.71

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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.