Home / 22,263.42-30,723.11-12,191.68

Finding the Fourth Proportional to 22,263.42, 30,723.11 and 12,191.68

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Solution

The fourth proportional to 22,263.42, 30,723.11 and 12,191.68 is: 16,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.42 : 30,723.11 = 12,191.68 : x
  2. Step 2: Convert to fraction form
    22,263.42/30,723.11 = 12,191.68/x
  3. Step 3: Cross multiply
    22,263.42x = 30,723.11 × 12,191.68
  4. Step 4: Simplify right side
    22,263.42x = 374,566,325.72
  5. Step 5: Solve for x
    x = 374,566,325.72/22,263.42
  6. Step 6: Final answer
    x = 16,824.29

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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.