Home / 22,109.92-33,158.40-12,254.08

Finding the Fourth Proportional to 22,109.92, 33,158.40 and 12,254.08

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Solution

The fourth proportional to 22,109.92, 33,158.40 and 12,254.08 is: 18,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.92 : 33,158.40 = 12,254.08 : x
  2. Step 2: Convert to fraction form
    22,109.92/33,158.40 = 12,254.08/x
  3. Step 3: Cross multiply
    22,109.92x = 33,158.40 × 12,254.08
  4. Step 4: Simplify right side
    22,109.92x = 406,325,686.27
  5. Step 5: Solve for x
    x = 406,325,686.27/22,109.92
  6. Step 6: Final answer
    x = 18,377.53

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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.