Home / 18,483.63-27,749.29-15,867.95

Finding the Fourth Proportional to 18,483.63, 27,749.29 and 15,867.95

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Solution

The fourth proportional to 18,483.63, 27,749.29 and 15,867.95 is: 23,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.63 : 27,749.29 = 15,867.95 : x
  2. Step 2: Convert to fraction form
    18,483.63/27,749.29 = 15,867.95/x
  3. Step 3: Cross multiply
    18,483.63x = 27,749.29 × 15,867.95
  4. Step 4: Simplify right side
    18,483.63x = 440,324,197.54
  5. Step 5: Solve for x
    x = 440,324,197.54/18,483.63
  6. Step 6: Final answer
    x = 23,822.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.