Home / 18,486.08-27,733.92-5,339.52

Finding the Fourth Proportional to 18,486.08, 27,733.92 and 5,339.52

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Solution

The fourth proportional to 18,486.08, 27,733.92 and 5,339.52 is: 8,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.08 : 27,733.92 = 5,339.52 : x
  2. Step 2: Convert to fraction form
    18,486.08/27,733.92 = 5,339.52/x
  3. Step 3: Cross multiply
    18,486.08x = 27,733.92 × 5,339.52
  4. Step 4: Simplify right side
    18,486.08x = 148,085,820.52
  5. Step 5: Solve for x
    x = 148,085,820.52/18,486.08
  6. Step 6: Final answer
    x = 8,010.67

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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.