Home / 21,443.28-32,163.30-5,862.12

Finding the Fourth Proportional to 21,443.28, 32,163.30 and 5,862.12

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Solution

The fourth proportional to 21,443.28, 32,163.30 and 5,862.12 is: 8,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.28 : 32,163.30 = 5,862.12 : x
  2. Step 2: Convert to fraction form
    21,443.28/32,163.30 = 5,862.12/x
  3. Step 3: Cross multiply
    21,443.28x = 32,163.30 × 5,862.12
  4. Step 4: Simplify right side
    21,443.28x = 188,545,124.20
  5. Step 5: Solve for x
    x = 188,545,124.20/21,443.28
  6. Step 6: Final answer
    x = 8,792.74

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1.5x scale

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.