Home / 19,944-27,523.23-10,991.61

Finding the Fourth Proportional to 19,944, 27,523.23 and 10,991.61

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Solution

The fourth proportional to 19,944, 27,523.23 and 10,991.61 is: 15,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944 : 27,523.23 = 10,991.61 : x
  2. Step 2: Convert to fraction form
    19,944/27,523.23 = 10,991.61/x
  3. Step 3: Cross multiply
    19,944x = 27,523.23 × 10,991.61
  4. Step 4: Simplify right side
    19,944x = 302,524,610.10
  5. Step 5: Solve for x
    x = 302,524,610.10/19,944
  6. Step 6: Final answer
    x = 15,168.70

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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.