Home / 19,873.62-27,422.37-11,488.50

Finding the Fourth Proportional to 19,873.62, 27,422.37 and 11,488.50

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Solution

The fourth proportional to 19,873.62, 27,422.37 and 11,488.50 is: 15,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.62 : 27,422.37 = 11,488.50 : x
  2. Step 2: Convert to fraction form
    19,873.62/27,422.37 = 11,488.50/x
  3. Step 3: Cross multiply
    19,873.62x = 27,422.37 × 11,488.50
  4. Step 4: Simplify right side
    19,873.62x = 315,041,897.75
  5. Step 5: Solve for x
    x = 315,041,897.75/19,873.62
  6. Step 6: Final answer
    x = 15,852.27

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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.