Home / 29,511.36-40,727.64-16,764.39

Finding the Fourth Proportional to 29,511.36, 40,727.64 and 16,764.39

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Solution

The fourth proportional to 29,511.36, 40,727.64 and 16,764.39 is: 23,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511.36 : 40,727.64 = 16,764.39 : x
  2. Step 2: Convert to fraction form
    29,511.36/40,727.64 = 16,764.39/x
  3. Step 3: Cross multiply
    29,511.36x = 40,727.64 × 16,764.39
  4. Step 4: Simplify right side
    29,511.36x = 682,774,040.74
  5. Step 5: Solve for x
    x = 682,774,040.74/29,511.36
  6. Step 6: Final answer
    x = 23,135.97

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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.