Home / 22,119.48-33,178.44-5,479.68

Finding the Fourth Proportional to 22,119.48, 33,178.44 and 5,479.68

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Solution

The fourth proportional to 22,119.48, 33,178.44 and 5,479.68 is: 8,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.48 : 33,178.44 = 5,479.68 : x
  2. Step 2: Convert to fraction form
    22,119.48/33,178.44 = 5,479.68/x
  3. Step 3: Cross multiply
    22,119.48x = 33,178.44 × 5,479.68
  4. Step 4: Simplify right side
    22,119.48x = 181,807,234.10
  5. Step 5: Solve for x
    x = 181,807,234.10/22,119.48
  6. Step 6: Final answer
    x = 8,219.33

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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.