Home / 20,042.24-27,658.53-11,089.71

Finding the Fourth Proportional to 20,042.24, 27,658.53 and 11,089.71

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Solution

The fourth proportional to 20,042.24, 27,658.53 and 11,089.71 is: 15,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.24 : 27,658.53 = 11,089.71 : x
  2. Step 2: Convert to fraction form
    20,042.24/27,658.53 = 11,089.71/x
  3. Step 3: Cross multiply
    20,042.24x = 27,658.53 × 11,089.71
  4. Step 4: Simplify right side
    20,042.24x = 306,725,076.73
  5. Step 5: Solve for x
    x = 306,725,076.73/20,042.24
  6. Step 6: Final answer
    x = 15,303.94

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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.