Home / 19,801.92-27,325.28-11,628.20

Finding the Fourth Proportional to 19,801.92, 27,325.28 and 11,628.20

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Solution

The fourth proportional to 19,801.92, 27,325.28 and 11,628.20 is: 16,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.92 : 27,325.28 = 11,628.20 : x
  2. Step 2: Convert to fraction form
    19,801.92/27,325.28 = 11,628.20/x
  3. Step 3: Cross multiply
    19,801.92x = 27,325.28 × 11,628.20
  4. Step 4: Simplify right side
    19,801.92x = 317,743,820.90
  5. Step 5: Solve for x
    x = 317,743,820.90/19,801.92
  6. Step 6: Final answer
    x = 16,046.11

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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.