Home / 22,226.19-30,672.54-12,155.05

Finding the Fourth Proportional to 22,226.19, 30,672.54 and 12,155.05

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Solution

The fourth proportional to 22,226.19, 30,672.54 and 12,155.05 is: 16,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.19 : 30,672.54 = 12,155.05 : x
  2. Step 2: Convert to fraction form
    22,226.19/30,672.54 = 12,155.05/x
  3. Step 3: Cross multiply
    22,226.19x = 30,672.54 × 12,155.05
  4. Step 4: Simplify right side
    22,226.19x = 372,826,257.33
  5. Step 5: Solve for x
    x = 372,826,257.33/22,226.19
  6. Step 6: Final answer
    x = 16,774.19

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Half scale
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Double scale
Find fourth proportional to 22,227.19, 30,673.92 and 12,156.05
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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.