Home / 20,098.54-27,730.33-15,836.39

Finding the Fourth Proportional to 20,098.54, 27,730.33 and 15,836.39

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Solution

The fourth proportional to 20,098.54, 27,730.33 and 15,836.39 is: 21,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.54 : 27,730.33 = 15,836.39 : x
  2. Step 2: Convert to fraction form
    20,098.54/27,730.33 = 15,836.39/x
  3. Step 3: Cross multiply
    20,098.54x = 27,730.33 × 15,836.39
  4. Step 4: Simplify right side
    20,098.54x = 439,148,320.71
  5. Step 5: Solve for x
    x = 439,148,320.71/20,098.54
  6. Step 6: Final answer
    x = 21,849.76

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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.