Home / 20,348.46-28,069.41-11,849.58

Finding the Fourth Proportional to 20,348.46, 28,069.41 and 11,849.58

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Solution

The fourth proportional to 20,348.46, 28,069.41 and 11,849.58 is: 16,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.46 : 28,069.41 = 11,849.58 : x
  2. Step 2: Convert to fraction form
    20,348.46/28,069.41 = 11,849.58/x
  3. Step 3: Cross multiply
    20,348.46x = 28,069.41 × 11,849.58
  4. Step 4: Simplify right side
    20,348.46x = 332,610,719.35
  5. Step 5: Solve for x
    x = 332,610,719.35/20,348.46
  6. Step 6: Final answer
    x = 16,345.74

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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.