Home / 22,266.42-30,728.01-12,194.68

Finding the Fourth Proportional to 22,266.42, 30,728.01 and 12,194.68

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Solution

The fourth proportional to 22,266.42, 30,728.01 and 12,194.68 is: 16,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.42 : 30,728.01 = 12,194.68 : x
  2. Step 2: Convert to fraction form
    22,266.42/30,728.01 = 12,194.68/x
  3. Step 3: Cross multiply
    22,266.42x = 30,728.01 × 12,194.68
  4. Step 4: Simplify right side
    22,266.42x = 374,718,248.99
  5. Step 5: Solve for x
    x = 374,718,248.99/22,266.42
  6. Step 6: Final answer
    x = 16,828.85

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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.