Home / 22,226.50-30,671.31-12,153.07

Finding the Fourth Proportional to 22,226.50, 30,671.31 and 12,153.07

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Solution

The fourth proportional to 22,226.50, 30,671.31 and 12,153.07 is: 16,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.50 : 30,671.31 = 12,153.07 : x
  2. Step 2: Convert to fraction form
    22,226.50/30,671.31 = 12,153.07/x
  3. Step 3: Cross multiply
    22,226.50x = 30,671.31 × 12,153.07
  4. Step 4: Simplify right side
    22,226.50x = 372,750,577.42
  5. Step 5: Solve for x
    x = 372,750,577.42/22,226.50
  6. Step 6: Final answer
    x = 16,770.55

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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.