Home / 22,118.47-33,183.37-7,331.51

Finding the Fourth Proportional to 22,118.47, 33,183.37 and 7,331.51

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Solution

The fourth proportional to 22,118.47, 33,183.37 and 7,331.51 is: 10,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.47 : 33,183.37 = 7,331.51 : x
  2. Step 2: Convert to fraction form
    22,118.47/33,183.37 = 7,331.51/x
  3. Step 3: Cross multiply
    22,118.47x = 33,183.37 × 7,331.51
  4. Step 4: Simplify right side
    22,118.47x = 243,284,301.11
  5. Step 5: Solve for x
    x = 243,284,301.11/22,118.47
  6. Step 6: Final answer
    x = 10,999.15

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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.