Home / 22,226.36-30,671.13-12,152.79

Finding the Fourth Proportional to 22,226.36, 30,671.13 and 12,152.79

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Solution

The fourth proportional to 22,226.36, 30,671.13 and 12,152.79 is: 16,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.36 : 30,671.13 = 12,152.79 : x
  2. Step 2: Convert to fraction form
    22,226.36/30,671.13 = 12,152.79/x
  3. Step 3: Cross multiply
    22,226.36x = 30,671.13 × 12,152.79
  4. Step 4: Simplify right side
    22,226.36x = 372,739,801.95
  5. Step 5: Solve for x
    x = 372,739,801.95/22,226.36
  6. Step 6: Final answer
    x = 16,770.17

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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.