Home / 27,507.48-41,255.04-7,781.52

Finding the Fourth Proportional to 27,507.48, 41,255.04 and 7,781.52

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Solution

The fourth proportional to 27,507.48, 41,255.04 and 7,781.52 is: 11,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.48 : 41,255.04 = 7,781.52 : x
  2. Step 2: Convert to fraction form
    27,507.48/41,255.04 = 7,781.52/x
  3. Step 3: Cross multiply
    27,507.48x = 41,255.04 × 7,781.52
  4. Step 4: Simplify right side
    27,507.48x = 321,026,918.86
  5. Step 5: Solve for x
    x = 321,026,918.86/27,507.48
  6. Step 6: Final answer
    x = 11,670.53

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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.