Home / 21,541.28-32,311.89-6,751.35

Finding the Fourth Proportional to 21,541.28, 32,311.89 and 6,751.35

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Solution

The fourth proportional to 21,541.28, 32,311.89 and 6,751.35 is: 10,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.28 : 32,311.89 = 6,751.35 : x
  2. Step 2: Convert to fraction form
    21,541.28/32,311.89 = 6,751.35/x
  3. Step 3: Cross multiply
    21,541.28x = 32,311.89 × 6,751.35
  4. Step 4: Simplify right side
    21,541.28x = 218,148,878.55
  5. Step 5: Solve for x
    x = 218,148,878.55/21,541.28
  6. Step 6: Final answer
    x = 10,127.02

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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.