Home / 22,141.12-33,199.50-15,129.05

Finding the Fourth Proportional to 22,141.12, 33,199.50 and 15,129.05

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Solution

The fourth proportional to 22,141.12, 33,199.50 and 15,129.05 is: 22,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.12 : 33,199.50 = 15,129.05 : x
  2. Step 2: Convert to fraction form
    22,141.12/33,199.50 = 15,129.05/x
  3. Step 3: Cross multiply
    22,141.12x = 33,199.50 × 15,129.05
  4. Step 4: Simplify right side
    22,141.12x = 502,276,938.68
  5. Step 5: Solve for x
    x = 502,276,938.68/22,141.12
  6. Step 6: Final answer
    x = 22,685.25

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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.