Home / 27,707.20-41,536.08-12,112.48

Finding the Fourth Proportional to 27,707.20, 41,536.08 and 12,112.48

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Solution

The fourth proportional to 27,707.20, 41,536.08 and 12,112.48 is: 18,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.20 : 41,536.08 = 12,112.48 : x
  2. Step 2: Convert to fraction form
    27,707.20/41,536.08 = 12,112.48/x
  3. Step 3: Cross multiply
    27,707.20x = 41,536.08 × 12,112.48
  4. Step 4: Simplify right side
    27,707.20x = 503,104,938.28
  5. Step 5: Solve for x
    x = 503,104,938.28/27,707.20
  6. Step 6: Final answer
    x = 18,157.91

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1.5x scale

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.