Home / 21,568.16-32,355.50-6,775.69

Finding the Fourth Proportional to 21,568.16, 32,355.50 and 6,775.69

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Solution

The fourth proportional to 21,568.16, 32,355.50 and 6,775.69 is: 10,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.16 : 32,355.50 = 6,775.69 : x
  2. Step 2: Convert to fraction form
    21,568.16/32,355.50 = 6,775.69/x
  3. Step 3: Cross multiply
    21,568.16x = 32,355.50 × 6,775.69
  4. Step 4: Simplify right side
    21,568.16x = 219,230,837.80
  5. Step 5: Solve for x
    x = 219,230,837.80/21,568.16
  6. Step 6: Final answer
    x = 10,164.56

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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.