Home / 18,198.40-27,253.76-10,383.52

Finding the Fourth Proportional to 18,198.40, 27,253.76 and 10,383.52

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Solution

The fourth proportional to 18,198.40, 27,253.76 and 10,383.52 is: 15,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.40 : 27,253.76 = 10,383.52 : x
  2. Step 2: Convert to fraction form
    18,198.40/27,253.76 = 10,383.52/x
  3. Step 3: Cross multiply
    18,198.40x = 27,253.76 × 10,383.52
  4. Step 4: Simplify right side
    18,198.40x = 282,989,962.04
  5. Step 5: Solve for x
    x = 282,989,962.04/18,198.40
  6. Step 6: Final answer
    x = 15,550.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.