Home / 15,140.22-22,703.85-5,276.58

Finding the Fourth Proportional to 15,140.22, 22,703.85 and 5,276.58

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Solution

The fourth proportional to 15,140.22, 22,703.85 and 5,276.58 is: 7,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.22 : 22,703.85 = 5,276.58 : x
  2. Step 2: Convert to fraction form
    15,140.22/22,703.85 = 5,276.58/x
  3. Step 3: Cross multiply
    15,140.22x = 22,703.85 × 5,276.58
  4. Step 4: Simplify right side
    15,140.22x = 119,798,680.83
  5. Step 5: Solve for x
    x = 119,798,680.83/15,140.22
  6. Step 6: Final answer
    x = 7,912.61

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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.