Home / 21,612.88-32,386.92-16,675.12

Finding the Fourth Proportional to 21,612.88, 32,386.92 and 16,675.12

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Solution

The fourth proportional to 21,612.88, 32,386.92 and 16,675.12 is: 24,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.88 : 32,386.92 = 16,675.12 : x
  2. Step 2: Convert to fraction form
    21,612.88/32,386.92 = 16,675.12/x
  3. Step 3: Cross multiply
    21,612.88x = 32,386.92 × 16,675.12
  4. Step 4: Simplify right side
    21,612.88x = 540,055,777.43
  5. Step 5: Solve for x
    x = 540,055,777.43/21,612.88
  6. Step 6: Final answer
    x = 24,987.68

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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.