Home / 29,293.70-40,425.24-15,864.91

Finding the Fourth Proportional to 29,293.70, 40,425.24 and 15,864.91

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Solution

The fourth proportional to 29,293.70, 40,425.24 and 15,864.91 is: 21,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.70 : 40,425.24 = 15,864.91 : x
  2. Step 2: Convert to fraction form
    29,293.70/40,425.24 = 15,864.91/x
  3. Step 3: Cross multiply
    29,293.70x = 40,425.24 × 15,864.91
  4. Step 4: Simplify right side
    29,293.70x = 641,342,794.33
  5. Step 5: Solve for x
    x = 641,342,794.33/29,293.70
  6. Step 6: Final answer
    x = 21,893.54

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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.