Home / 21,265.24-31,902.63-6,475.33

Finding the Fourth Proportional to 21,265.24, 31,902.63 and 6,475.33

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Solution

The fourth proportional to 21,265.24, 31,902.63 and 6,475.33 is: 9,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.24 : 31,902.63 = 6,475.33 : x
  2. Step 2: Convert to fraction form
    21,265.24/31,902.63 = 6,475.33/x
  3. Step 3: Cross multiply
    21,265.24x = 31,902.63 × 6,475.33
  4. Step 4: Simplify right side
    21,265.24x = 206,579,947.90
  5. Step 5: Solve for x
    x = 206,579,947.90/21,265.24
  6. Step 6: Final answer
    x = 9,714.44

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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.