Home / 18,373.95-27,556.38-7,838.82

Finding the Fourth Proportional to 18,373.95, 27,556.38 and 7,838.82

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Solution

The fourth proportional to 18,373.95, 27,556.38 and 7,838.82 is: 11,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.95 : 27,556.38 = 7,838.82 : x
  2. Step 2: Convert to fraction form
    18,373.95/27,556.38 = 7,838.82/x
  3. Step 3: Cross multiply
    18,373.95x = 27,556.38 × 7,838.82
  4. Step 4: Simplify right side
    18,373.95x = 216,009,502.67
  5. Step 5: Solve for x
    x = 216,009,502.67/18,373.95
  6. Step 6: Final answer
    x = 11,756.29

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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.