Home / 29,087.11-40,140.19-16,511.86

Finding the Fourth Proportional to 29,087.11, 40,140.19 and 16,511.86

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Solution

The fourth proportional to 29,087.11, 40,140.19 and 16,511.86 is: 22,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.11 : 40,140.19 = 16,511.86 : x
  2. Step 2: Convert to fraction form
    29,087.11/40,140.19 = 16,511.86/x
  3. Step 3: Cross multiply
    29,087.11x = 40,140.19 × 16,511.86
  4. Step 4: Simplify right side
    29,087.11x = 662,789,268.47
  5. Step 5: Solve for x
    x = 662,789,268.47/29,087.11
  6. Step 6: Final answer
    x = 22,786.36

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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.