Home / 19,935.81-27,500.44-13,976.37

Finding the Fourth Proportional to 19,935.81, 27,500.44 and 13,976.37

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Solution

The fourth proportional to 19,935.81, 27,500.44 and 13,976.37 is: 19,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.81 : 27,500.44 = 13,976.37 : x
  2. Step 2: Convert to fraction form
    19,935.81/27,500.44 = 13,976.37/x
  3. Step 3: Cross multiply
    19,935.81x = 27,500.44 × 13,976.37
  4. Step 4: Simplify right side
    19,935.81x = 384,356,324.60
  5. Step 5: Solve for x
    x = 384,356,324.60/19,935.81
  6. Step 6: Final answer
    x = 19,279.69

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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.