Home / 27,716.64-38,236.80-18,761.04

Finding the Fourth Proportional to 27,716.64, 38,236.80 and 18,761.04

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Solution

The fourth proportional to 27,716.64, 38,236.80 and 18,761.04 is: 25,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.64 : 38,236.80 = 18,761.04 : x
  2. Step 2: Convert to fraction form
    27,716.64/38,236.80 = 18,761.04/x
  3. Step 3: Cross multiply
    27,716.64x = 38,236.80 × 18,761.04
  4. Step 4: Simplify right side
    27,716.64x = 717,362,134.27
  5. Step 5: Solve for x
    x = 717,362,134.27/27,716.64
  6. Step 6: Final answer
    x = 25,882.00

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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.