Home / 15,468.51-23,167.55-12,115.83

Finding the Fourth Proportional to 15,468.51, 23,167.55 and 12,115.83

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Solution

The fourth proportional to 15,468.51, 23,167.55 and 12,115.83 is: 18,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.51 : 23,167.55 = 12,115.83 : x
  2. Step 2: Convert to fraction form
    15,468.51/23,167.55 = 12,115.83/x
  3. Step 3: Cross multiply
    15,468.51x = 23,167.55 × 12,115.83
  4. Step 4: Simplify right side
    15,468.51x = 280,694,036.74
  5. Step 5: Solve for x
    x = 280,694,036.74/15,468.51
  6. Step 6: Final answer
    x = 18,146.16

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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.