Home / 21,262.56-31,884.24-6,473.28

Finding the Fourth Proportional to 21,262.56, 31,884.24 and 6,473.28

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Solution

The fourth proportional to 21,262.56, 31,884.24 and 6,473.28 is: 9,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.56 : 31,884.24 = 6,473.28 : x
  2. Step 2: Convert to fraction form
    21,262.56/31,884.24 = 6,473.28/x
  3. Step 3: Cross multiply
    21,262.56x = 31,884.24 × 6,473.28
  4. Step 4: Simplify right side
    21,262.56x = 206,395,613.11
  5. Step 5: Solve for x
    x = 206,395,613.11/21,262.56
  6. Step 6: Final answer
    x = 9,707.00

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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.