Home / 27,161.52-40,742.31-7,440.25

Finding the Fourth Proportional to 27,161.52, 40,742.31 and 7,440.25

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Solution

The fourth proportional to 27,161.52, 40,742.31 and 7,440.25 is: 11,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.52 : 40,742.31 = 7,440.25 : x
  2. Step 2: Convert to fraction form
    27,161.52/40,742.31 = 7,440.25/x
  3. Step 3: Cross multiply
    27,161.52x = 40,742.31 × 7,440.25
  4. Step 4: Simplify right side
    27,161.52x = 303,132,768.27
  5. Step 5: Solve for x
    x = 303,132,768.27/27,161.52
  6. Step 6: Final answer
    x = 11,160.38

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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.