Home / 21,358.31-32,040.52-6,568.46

Finding the Fourth Proportional to 21,358.31, 32,040.52 and 6,568.46

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Solution

The fourth proportional to 21,358.31, 32,040.52 and 6,568.46 is: 9,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.31 : 32,040.52 = 6,568.46 : x
  2. Step 2: Convert to fraction form
    21,358.31/32,040.52 = 6,568.46/x
  3. Step 3: Cross multiply
    21,358.31x = 32,040.52 × 6,568.46
  4. Step 4: Simplify right side
    21,358.31x = 210,456,817.53
  5. Step 5: Solve for x
    x = 210,456,817.53/21,358.31
  6. Step 6: Final answer
    x = 9,853.63

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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.