Home / 18,187.29-27,280.94-5,708.27

Finding the Fourth Proportional to 18,187.29, 27,280.94 and 5,708.27

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Solution

The fourth proportional to 18,187.29, 27,280.94 and 5,708.27 is: 8,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.29 : 27,280.94 = 5,708.27 : x
  2. Step 2: Convert to fraction form
    18,187.29/27,280.94 = 5,708.27/x
  3. Step 3: Cross multiply
    18,187.29x = 27,280.94 × 5,708.27
  4. Step 4: Simplify right side
    18,187.29x = 155,727,011.03
  5. Step 5: Solve for x
    x = 155,727,011.03/18,187.29
  6. Step 6: Final answer
    x = 8,562.41

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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.