Home / 21,964.12-32,951.40-7,173.08

Finding the Fourth Proportional to 21,964.12, 32,951.40 and 7,173.08

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Solution

The fourth proportional to 21,964.12, 32,951.40 and 7,173.08 is: 10,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.12 : 32,951.40 = 7,173.08 : x
  2. Step 2: Convert to fraction form
    21,964.12/32,951.40 = 7,173.08/x
  3. Step 3: Cross multiply
    21,964.12x = 32,951.40 × 7,173.08
  4. Step 4: Simplify right side
    21,964.12x = 236,363,028.31
  5. Step 5: Solve for x
    x = 236,363,028.31/21,964.12
  6. Step 6: Final answer
    x = 10,761.32

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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.