Home / 19,515.68-26,932.20-11,132

Finding the Fourth Proportional to 19,515.68, 26,932.20 and 11,132

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Solution

The fourth proportional to 19,515.68, 26,932.20 and 11,132 is: 15,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.68 : 26,932.20 = 11,132 : x
  2. Step 2: Convert to fraction form
    19,515.68/26,932.20 = 11,132/x
  3. Step 3: Cross multiply
    19,515.68x = 26,932.20 × 11,132
  4. Step 4: Simplify right side
    19,515.68x = 299,809,250.40
  5. Step 5: Solve for x
    x = 299,809,250.40/19,515.68
  6. Step 6: Final answer
    x = 15,362.48

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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.