Home / 21,541.22-32,311.83-6,751.28

Finding the Fourth Proportional to 21,541.22, 32,311.83 and 6,751.28

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Solution

The fourth proportional to 21,541.22, 32,311.83 and 6,751.28 is: 10,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.22 : 32,311.83 = 6,751.28 : x
  2. Step 2: Convert to fraction form
    21,541.22/32,311.83 = 6,751.28/x
  3. Step 3: Cross multiply
    21,541.22x = 32,311.83 × 6,751.28
  4. Step 4: Simplify right side
    21,541.22x = 218,146,211.64
  5. Step 5: Solve for x
    x = 218,146,211.64/21,541.22
  6. Step 6: Final answer
    x = 10,126.92

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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.