Home / 19,923.36-27,497.52-15,198.72

Finding the Fourth Proportional to 19,923.36, 27,497.52 and 15,198.72

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Solution

The fourth proportional to 19,923.36, 27,497.52 and 15,198.72 is: 20,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.36 : 27,497.52 = 15,198.72 : x
  2. Step 2: Convert to fraction form
    19,923.36/27,497.52 = 15,198.72/x
  3. Step 3: Cross multiply
    19,923.36x = 27,497.52 × 15,198.72
  4. Step 4: Simplify right side
    19,923.36x = 417,927,107.17
  5. Step 5: Solve for x
    x = 417,927,107.17/19,923.36
  6. Step 6: Final answer
    x = 20,976.74

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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.