Home / 15,100.12-22,650.30-4,712.20

Finding the Fourth Proportional to 15,100.12, 22,650.30 and 4,712.20

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Solution

The fourth proportional to 15,100.12, 22,650.30 and 4,712.20 is: 7,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.12 : 22,650.30 = 4,712.20 : x
  2. Step 2: Convert to fraction form
    15,100.12/22,650.30 = 4,712.20/x
  3. Step 3: Cross multiply
    15,100.12x = 22,650.30 × 4,712.20
  4. Step 4: Simplify right side
    15,100.12x = 106,732,743.66
  5. Step 5: Solve for x
    x = 106,732,743.66/15,100.12
  6. Step 6: Final answer
    x = 7,068.34

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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.