Home / 22,319.36-33,443.68-18,139.20

Finding the Fourth Proportional to 22,319.36, 33,443.68 and 18,139.20

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Solution

The fourth proportional to 22,319.36, 33,443.68 and 18,139.20 is: 27,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.36 : 33,443.68 = 18,139.20 : x
  2. Step 2: Convert to fraction form
    22,319.36/33,443.68 = 18,139.20/x
  3. Step 3: Cross multiply
    22,319.36x = 33,443.68 × 18,139.20
  4. Step 4: Simplify right side
    22,319.36x = 606,641,600.26
  5. Step 5: Solve for x
    x = 606,641,600.26/22,319.36
  6. Step 6: Final answer
    x = 27,180.06

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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.