Home / 22,616.87-33,920.67-8,572.05

Finding the Fourth Proportional to 22,616.87, 33,920.67 and 8,572.05

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Solution

The fourth proportional to 22,616.87, 33,920.67 and 8,572.05 is: 12,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.87 : 33,920.67 = 8,572.05 : x
  2. Step 2: Convert to fraction form
    22,616.87/33,920.67 = 8,572.05/x
  3. Step 3: Cross multiply
    22,616.87x = 33,920.67 × 8,572.05
  4. Step 4: Simplify right side
    22,616.87x = 290,769,679.27
  5. Step 5: Solve for x
    x = 290,769,679.27/22,616.87
  6. Step 6: Final answer
    x = 12,856.32

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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.