Home / 24,078.11-33,243.39-21,555.87

Finding the Fourth Proportional to 24,078.11, 33,243.39 and 21,555.87

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Solution

The fourth proportional to 24,078.11, 33,243.39 and 21,555.87 is: 29,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,078.11 : 33,243.39 = 21,555.87 : x
  2. Step 2: Convert to fraction form
    24,078.11/33,243.39 = 21,555.87/x
  3. Step 3: Cross multiply
    24,078.11x = 33,243.39 × 21,555.87
  4. Step 4: Simplify right side
    24,078.11x = 716,590,194.90
  5. Step 5: Solve for x
    x = 716,590,194.90/24,078.11
  6. Step 6: Final answer
    x = 29,761.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.