Home / 16,335.11-22,542.89-9,261.99

Finding the Fourth Proportional to 16,335.11, 22,542.89 and 9,261.99

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Solution

The fourth proportional to 16,335.11, 22,542.89 and 9,261.99 is: 12,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.11 : 22,542.89 = 9,261.99 : x
  2. Step 2: Convert to fraction form
    16,335.11/22,542.89 = 9,261.99/x
  3. Step 3: Cross multiply
    16,335.11x = 22,542.89 × 9,261.99
  4. Step 4: Simplify right side
    16,335.11x = 208,791,975.44
  5. Step 5: Solve for x
    x = 208,791,975.44/16,335.11
  6. Step 6: Final answer
    x = 12,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.