Home / 15,919.93-23,876.83-15,129.68

Finding the Fourth Proportional to 15,919.93, 23,876.83 and 15,129.68

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Solution

The fourth proportional to 15,919.93, 23,876.83 and 15,129.68 is: 22,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.93 : 23,876.83 = 15,129.68 : x
  2. Step 2: Convert to fraction form
    15,919.93/23,876.83 = 15,129.68/x
  3. Step 3: Cross multiply
    15,919.93x = 23,876.83 × 15,129.68
  4. Step 4: Simplify right side
    15,919.93x = 361,248,602.28
  5. Step 5: Solve for x
    x = 361,248,602.28/15,919.93
  6. Step 6: Final answer
    x = 22,691.60

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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.