Home / 22,254.41-30,713.88-13,306.85

Finding the Fourth Proportional to 22,254.41, 30,713.88 and 13,306.85

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Solution

The fourth proportional to 22,254.41, 30,713.88 and 13,306.85 is: 18,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.41 : 30,713.88 = 13,306.85 : x
  2. Step 2: Convert to fraction form
    22,254.41/30,713.88 = 13,306.85/x
  3. Step 3: Cross multiply
    22,254.41x = 30,713.88 × 13,306.85
  4. Step 4: Simplify right side
    22,254.41x = 408,704,840.51
  5. Step 5: Solve for x
    x = 408,704,840.51/22,254.41
  6. Step 6: Final answer
    x = 18,365.12

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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.