Home / 19,612.72-27,074.28-11,657.52

Finding the Fourth Proportional to 19,612.72, 27,074.28 and 11,657.52

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Solution

The fourth proportional to 19,612.72, 27,074.28 and 11,657.52 is: 16,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.72 : 27,074.28 = 11,657.52 : x
  2. Step 2: Convert to fraction form
    19,612.72/27,074.28 = 11,657.52/x
  3. Step 3: Cross multiply
    19,612.72x = 27,074.28 × 11,657.52
  4. Step 4: Simplify right side
    19,612.72x = 315,618,960.59
  5. Step 5: Solve for x
    x = 315,618,960.59/19,612.72
  6. Step 6: Final answer
    x = 16,092.56

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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.