Home / 19,992.64-27,589.70-11,040.75

Finding the Fourth Proportional to 19,992.64, 27,589.70 and 11,040.75

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Solution

The fourth proportional to 19,992.64, 27,589.70 and 11,040.75 is: 15,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.64 : 27,589.70 = 11,040.75 : x
  2. Step 2: Convert to fraction form
    19,992.64/27,589.70 = 11,040.75/x
  3. Step 3: Cross multiply
    19,992.64x = 27,589.70 × 11,040.75
  4. Step 4: Simplify right side
    19,992.64x = 304,610,925.07
  5. Step 5: Solve for x
    x = 304,610,925.07/19,992.64
  6. Step 6: Final answer
    x = 15,236.15

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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.