Home / 21,383.15-32,080.01-7,343.39

Finding the Fourth Proportional to 21,383.15, 32,080.01 and 7,343.39

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Solution

The fourth proportional to 21,383.15, 32,080.01 and 7,343.39 is: 11,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.15 : 32,080.01 = 7,343.39 : x
  2. Step 2: Convert to fraction form
    21,383.15/32,080.01 = 7,343.39/x
  3. Step 3: Cross multiply
    21,383.15x = 32,080.01 × 7,343.39
  4. Step 4: Simplify right side
    21,383.15x = 235,576,068.12
  5. Step 5: Solve for x
    x = 235,576,068.12/21,383.15
  6. Step 6: Final answer
    x = 11,016.90

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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.