Home / 27,610.11-38,086.74-18,670.14

Finding the Fourth Proportional to 27,610.11, 38,086.74 and 18,670.14

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Solution

The fourth proportional to 27,610.11, 38,086.74 and 18,670.14 is: 25,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.11 : 38,086.74 = 18,670.14 : x
  2. Step 2: Convert to fraction form
    27,610.11/38,086.74 = 18,670.14/x
  3. Step 3: Cross multiply
    27,610.11x = 38,086.74 × 18,670.14
  4. Step 4: Simplify right side
    27,610.11x = 711,084,767.94
  5. Step 5: Solve for x
    x = 711,084,767.94/27,610.11
  6. Step 6: Final answer
    x = 25,754.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.