Home / 21,062.48-31,595.33-6,270.26

Finding the Fourth Proportional to 21,062.48, 31,595.33 and 6,270.26

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Solution

The fourth proportional to 21,062.48, 31,595.33 and 6,270.26 is: 9,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.48 : 31,595.33 = 6,270.26 : x
  2. Step 2: Convert to fraction form
    21,062.48/31,595.33 = 6,270.26/x
  3. Step 3: Cross multiply
    21,062.48x = 31,595.33 × 6,270.26
  4. Step 4: Simplify right side
    21,062.48x = 198,110,791.58
  5. Step 5: Solve for x
    x = 198,110,791.58/21,062.48
  6. Step 6: Final answer
    x = 9,405.86

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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.