Home / 29,314.27-40,467.64-19,640.39

Finding the Fourth Proportional to 29,314.27, 40,467.64 and 19,640.39

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Solution

The fourth proportional to 29,314.27, 40,467.64 and 19,640.39 is: 27,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.27 : 40,467.64 = 19,640.39 : x
  2. Step 2: Convert to fraction form
    29,314.27/40,467.64 = 19,640.39/x
  3. Step 3: Cross multiply
    29,314.27x = 40,467.64 × 19,640.39
  4. Step 4: Simplify right side
    29,314.27x = 794,800,029.64
  5. Step 5: Solve for x
    x = 794,800,029.64/29,314.27
  6. Step 6: Final answer
    x = 27,113.08

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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.