Home / 15,616.10-21,550.04-8,542.44

Finding the Fourth Proportional to 15,616.10, 21,550.04 and 8,542.44

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Solution

The fourth proportional to 15,616.10, 21,550.04 and 8,542.44 is: 11,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.10 : 21,550.04 = 8,542.44 : x
  2. Step 2: Convert to fraction form
    15,616.10/21,550.04 = 8,542.44/x
  3. Step 3: Cross multiply
    15,616.10x = 21,550.04 × 8,542.44
  4. Step 4: Simplify right side
    15,616.10x = 184,089,923.70
  5. Step 5: Solve for x
    x = 184,089,923.70/15,616.10
  6. Step 6: Final answer
    x = 11,788.47

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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.