Home / 19,600.08-27,048.04-11,216.56

Finding the Fourth Proportional to 19,600.08, 27,048.04 and 11,216.56

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Solution

The fourth proportional to 19,600.08, 27,048.04 and 11,216.56 is: 15,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.08 : 27,048.04 = 11,216.56 : x
  2. Step 2: Convert to fraction form
    19,600.08/27,048.04 = 11,216.56/x
  3. Step 3: Cross multiply
    19,600.08x = 27,048.04 × 11,216.56
  4. Step 4: Simplify right side
    19,600.08x = 303,385,963.54
  5. Step 5: Solve for x
    x = 303,385,963.54/19,600.08
  6. Step 6: Final answer
    x = 15,478.81

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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.