Home / 19,616.60-27,074.84-11,657.28

Finding the Fourth Proportional to 19,616.60, 27,074.84 and 11,657.28

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Solution

The fourth proportional to 19,616.60, 27,074.84 and 11,657.28 is: 16,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.60 : 27,074.84 = 11,657.28 : x
  2. Step 2: Convert to fraction form
    19,616.60/27,074.84 = 11,657.28/x
  3. Step 3: Cross multiply
    19,616.60x = 27,074.84 × 11,657.28
  4. Step 4: Simplify right side
    19,616.60x = 315,618,932.55
  5. Step 5: Solve for x
    x = 315,618,932.55/19,616.60
  6. Step 6: Final answer
    x = 16,089.38

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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.