Home / 21,535.20-32,242.86-10,982.52

Finding the Fourth Proportional to 21,535.20, 32,242.86 and 10,982.52

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Solution

The fourth proportional to 21,535.20, 32,242.86 and 10,982.52 is: 16,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.20 : 32,242.86 = 10,982.52 : x
  2. Step 2: Convert to fraction form
    21,535.20/32,242.86 = 10,982.52/x
  3. Step 3: Cross multiply
    21,535.20x = 32,242.86 × 10,982.52
  4. Step 4: Simplify right side
    21,535.20x = 354,107,854.81
  5. Step 5: Solve for x
    x = 354,107,854.81/21,535.20
  6. Step 6: Final answer
    x = 16,443.21

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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.