Home / 22,133.25-30,543.48-12,061.78

Finding the Fourth Proportional to 22,133.25, 30,543.48 and 12,061.78

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Solution

The fourth proportional to 22,133.25, 30,543.48 and 12,061.78 is: 16,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.25 : 30,543.48 = 12,061.78 : x
  2. Step 2: Convert to fraction form
    22,133.25/30,543.48 = 12,061.78/x
  3. Step 3: Cross multiply
    22,133.25x = 30,543.48 × 12,061.78
  4. Step 4: Simplify right side
    22,133.25x = 368,408,736.19
  5. Step 5: Solve for x
    x = 368,408,736.19/22,133.25
  6. Step 6: Final answer
    x = 16,645.04

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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.