Home / 29,798.74-41,129.04-19,727.56

Finding the Fourth Proportional to 29,798.74, 41,129.04 and 19,727.56

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Solution

The fourth proportional to 29,798.74, 41,129.04 and 19,727.56 is: 27,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,798.74 : 41,129.04 = 19,727.56 : x
  2. Step 2: Convert to fraction form
    29,798.74/41,129.04 = 19,727.56/x
  3. Step 3: Cross multiply
    29,798.74x = 41,129.04 × 19,727.56
  4. Step 4: Simplify right side
    29,798.74x = 811,375,604.34
  5. Step 5: Solve for x
    x = 811,375,604.34/29,798.74
  6. Step 6: Final answer
    x = 27,228.52

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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.