Home / 15,917.31-23,876.51-4,230.54

Finding the Fourth Proportional to 15,917.31, 23,876.51 and 4,230.54

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Solution

The fourth proportional to 15,917.31, 23,876.51 and 4,230.54 is: 6,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.31 : 23,876.51 = 4,230.54 : x
  2. Step 2: Convert to fraction form
    15,917.31/23,876.51 = 4,230.54/x
  3. Step 3: Cross multiply
    15,917.31x = 23,876.51 × 4,230.54
  4. Step 4: Simplify right side
    15,917.31x = 101,010,509.46
  5. Step 5: Solve for x
    x = 101,010,509.46/15,917.31
  6. Step 6: Final answer
    x = 6,345.95

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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.