Home / 21,720.06-32,578.38-10,033.38

Finding the Fourth Proportional to 21,720.06, 32,578.38 and 10,033.38

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Solution

The fourth proportional to 21,720.06, 32,578.38 and 10,033.38 is: 15,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720.06 : 32,578.38 = 10,033.38 : x
  2. Step 2: Convert to fraction form
    21,720.06/32,578.38 = 10,033.38/x
  3. Step 3: Cross multiply
    21,720.06x = 32,578.38 × 10,033.38
  4. Step 4: Simplify right side
    21,720.06x = 326,871,266.32
  5. Step 5: Solve for x
    x = 326,871,266.32/21,720.06
  6. Step 6: Final answer
    x = 15,049.28

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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.