Home / 21,275.01-31,932.20-10,752.44

Finding the Fourth Proportional to 21,275.01, 31,932.20 and 10,752.44

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Solution

The fourth proportional to 21,275.01, 31,932.20 and 10,752.44 is: 16,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275.01 : 31,932.20 = 10,752.44 : x
  2. Step 2: Convert to fraction form
    21,275.01/31,932.20 = 10,752.44/x
  3. Step 3: Cross multiply
    21,275.01x = 31,932.20 × 10,752.44
  4. Step 4: Simplify right side
    21,275.01x = 343,348,851.14
  5. Step 5: Solve for x
    x = 343,348,851.14/21,275.01
  6. Step 6: Final answer
    x = 16,138.60

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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.