Home / 22,101.90-33,152.85-12,770.70

Finding the Fourth Proportional to 22,101.90, 33,152.85 and 12,770.70

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Solution

The fourth proportional to 22,101.90, 33,152.85 and 12,770.70 is: 19,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.90 : 33,152.85 = 12,770.70 : x
  2. Step 2: Convert to fraction form
    22,101.90/33,152.85 = 12,770.70/x
  3. Step 3: Cross multiply
    22,101.90x = 33,152.85 × 12,770.70
  4. Step 4: Simplify right side
    22,101.90x = 423,385,101.50
  5. Step 5: Solve for x
    x = 423,385,101.50/22,101.90
  6. Step 6: Final answer
    x = 19,156.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.