Home / 22,395.36-33,581.68-12,531.99

Finding the Fourth Proportional to 22,395.36, 33,581.68 and 12,531.99

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Solution

The fourth proportional to 22,395.36, 33,581.68 and 12,531.99 is: 18,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.36 : 33,581.68 = 12,531.99 : x
  2. Step 2: Convert to fraction form
    22,395.36/33,581.68 = 12,531.99/x
  3. Step 3: Cross multiply
    22,395.36x = 33,581.68 × 12,531.99
  4. Step 4: Simplify right side
    22,395.36x = 420,845,277.94
  5. Step 5: Solve for x
    x = 420,845,277.94/22,395.36
  6. Step 6: Final answer
    x = 18,791.63

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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.