Home / 22,920.01-34,372.81-8,879.06

Finding the Fourth Proportional to 22,920.01, 34,372.81 and 8,879.06

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Solution

The fourth proportional to 22,920.01, 34,372.81 and 8,879.06 is: 13,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.01 : 34,372.81 = 8,879.06 : x
  2. Step 2: Convert to fraction form
    22,920.01/34,372.81 = 8,879.06/x
  3. Step 3: Cross multiply
    22,920.01x = 34,372.81 × 8,879.06
  4. Step 4: Simplify right side
    22,920.01x = 305,198,197.96
  5. Step 5: Solve for x
    x = 305,198,197.96/22,920.01
  6. Step 6: Final answer
    x = 13,315.80

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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.