Home / 19,434.68-29,149.56-5,395.76

Finding the Fourth Proportional to 19,434.68, 29,149.56 and 5,395.76

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Solution

The fourth proportional to 19,434.68, 29,149.56 and 5,395.76 is: 8,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.68 : 29,149.56 = 5,395.76 : x
  2. Step 2: Convert to fraction form
    19,434.68/29,149.56 = 5,395.76/x
  3. Step 3: Cross multiply
    19,434.68x = 29,149.56 × 5,395.76
  4. Step 4: Simplify right side
    19,434.68x = 157,284,029.87
  5. Step 5: Solve for x
    x = 157,284,029.87/19,434.68
  6. Step 6: Final answer
    x = 8,092.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.