Home / 15,023.10-22,536-3,929.61

Finding the Fourth Proportional to 15,023.10, 22,536 and 3,929.61

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Solution

The fourth proportional to 15,023.10, 22,536 and 3,929.61 is: 5,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.10 : 22,536 = 3,929.61 : x
  2. Step 2: Convert to fraction form
    15,023.10/22,536 = 3,929.61/x
  3. Step 3: Cross multiply
    15,023.10x = 22,536 × 3,929.61
  4. Step 4: Simplify right side
    15,023.10x = 88,557,690.96
  5. Step 5: Solve for x
    x = 88,557,690.96/15,023.10
  6. Step 6: Final answer
    x = 5,894.77

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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.