Home / 18,155.27-27,243.56-7,624.49

Finding the Fourth Proportional to 18,155.27, 27,243.56 and 7,624.49

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Solution

The fourth proportional to 18,155.27, 27,243.56 and 7,624.49 is: 11,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.27 : 27,243.56 = 7,624.49 : x
  2. Step 2: Convert to fraction form
    18,155.27/27,243.56 = 7,624.49/x
  3. Step 3: Cross multiply
    18,155.27x = 27,243.56 × 7,624.49
  4. Step 4: Simplify right side
    18,155.27x = 207,718,133.63
  5. Step 5: Solve for x
    x = 207,718,133.63/18,155.27
  6. Step 6: Final answer
    x = 11,441.20

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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.