Home / 22,091.09-33,138.40-13,266.55

Finding the Fourth Proportional to 22,091.09, 33,138.40 and 13,266.55

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Solution

The fourth proportional to 22,091.09, 33,138.40 and 13,266.55 is: 19,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.09 : 33,138.40 = 13,266.55 : x
  2. Step 2: Convert to fraction form
    22,091.09/33,138.40 = 13,266.55/x
  3. Step 3: Cross multiply
    22,091.09x = 33,138.40 × 13,266.55
  4. Step 4: Simplify right side
    22,091.09x = 439,632,189.82
  5. Step 5: Solve for x
    x = 439,632,189.82/22,091.09
  6. Step 6: Final answer
    x = 19,900.88

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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.