Home / 21,539.97-32,315.12-10,433.68

Finding the Fourth Proportional to 21,539.97, 32,315.12 and 10,433.68

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Solution

The fourth proportional to 21,539.97, 32,315.12 and 10,433.68 is: 15,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.97 : 32,315.12 = 10,433.68 : x
  2. Step 2: Convert to fraction form
    21,539.97/32,315.12 = 10,433.68/x
  3. Step 3: Cross multiply
    21,539.97x = 32,315.12 × 10,433.68
  4. Step 4: Simplify right side
    21,539.97x = 337,165,648.59
  5. Step 5: Solve for x
    x = 337,165,648.59/21,539.97
  6. Step 6: Final answer
    x = 15,653.02

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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.