Home / 27,093.60-40,630.14-9,319.20

Finding the Fourth Proportional to 27,093.60, 40,630.14 and 9,319.20

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Solution

The fourth proportional to 27,093.60, 40,630.14 and 9,319.20 is: 13,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.60 : 40,630.14 = 9,319.20 : x
  2. Step 2: Convert to fraction form
    27,093.60/40,630.14 = 9,319.20/x
  3. Step 3: Cross multiply
    27,093.60x = 40,630.14 × 9,319.20
  4. Step 4: Simplify right side
    27,093.60x = 378,640,400.69
  5. Step 5: Solve for x
    x = 378,640,400.69/27,093.60
  6. Step 6: Final answer
    x = 13,975.27

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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.