Home / 19,749.12-27,244.62-11,360.76

Finding the Fourth Proportional to 19,749.12, 27,244.62 and 11,360.76

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Solution

The fourth proportional to 19,749.12, 27,244.62 and 11,360.76 is: 15,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.12 : 27,244.62 = 11,360.76 : x
  2. Step 2: Convert to fraction form
    19,749.12/27,244.62 = 11,360.76/x
  3. Step 3: Cross multiply
    19,749.12x = 27,244.62 × 11,360.76
  4. Step 4: Simplify right side
    19,749.12x = 309,519,589.11
  5. Step 5: Solve for x
    x = 309,519,589.11/19,749.12
  6. Step 6: Final answer
    x = 15,672.58

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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.