Home / 16,261.74-22,415.22-13,272.42

Finding the Fourth Proportional to 16,261.74, 22,415.22 and 13,272.42

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Solution

The fourth proportional to 16,261.74, 22,415.22 and 13,272.42 is: 18,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.74 : 22,415.22 = 13,272.42 : x
  2. Step 2: Convert to fraction form
    16,261.74/22,415.22 = 13,272.42/x
  3. Step 3: Cross multiply
    16,261.74x = 22,415.22 × 13,272.42
  4. Step 4: Simplify right side
    16,261.74x = 297,504,214.23
  5. Step 5: Solve for x
    x = 297,504,214.23/16,261.74
  6. Step 6: Final answer
    x = 18,294.73

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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.