Home / 21,663.10-32,495.82-6,873.20

Finding the Fourth Proportional to 21,663.10, 32,495.82 and 6,873.20

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Solution

The fourth proportional to 21,663.10, 32,495.82 and 6,873.20 is: 10,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.10 : 32,495.82 = 6,873.20 : x
  2. Step 2: Convert to fraction form
    21,663.10/32,495.82 = 6,873.20/x
  3. Step 3: Cross multiply
    21,663.10x = 32,495.82 × 6,873.20
  4. Step 4: Simplify right side
    21,663.10x = 223,350,270.02
  5. Step 5: Solve for x
    x = 223,350,270.02/21,663.10
  6. Step 6: Final answer
    x = 10,310.17

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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.