Home / 15,616.03-21,550.64-8,542.46

Finding the Fourth Proportional to 15,616.03, 21,550.64 and 8,542.46

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Solution

The fourth proportional to 15,616.03, 21,550.64 and 8,542.46 is: 11,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.03 : 21,550.64 = 8,542.46 : x
  2. Step 2: Convert to fraction form
    15,616.03/21,550.64 = 8,542.46/x
  3. Step 3: Cross multiply
    15,616.03x = 21,550.64 × 8,542.46
  4. Step 4: Simplify right side
    15,616.03x = 184,095,480.17
  5. Step 5: Solve for x
    x = 184,095,480.17/15,616.03
  6. Step 6: Final answer
    x = 11,788.88

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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.