Home / 22,419.72-33,632.55-11,895.12

Finding the Fourth Proportional to 22,419.72, 33,632.55 and 11,895.12

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Solution

The fourth proportional to 22,419.72, 33,632.55 and 11,895.12 is: 17,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.72 : 33,632.55 = 11,895.12 : x
  2. Step 2: Convert to fraction form
    22,419.72/33,632.55 = 11,895.12/x
  3. Step 3: Cross multiply
    22,419.72x = 33,632.55 × 11,895.12
  4. Step 4: Simplify right side
    22,419.72x = 400,063,218.16
  5. Step 5: Solve for x
    x = 400,063,218.16/22,419.72
  6. Step 6: Final answer
    x = 17,844.26

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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.