Home / 19,742.64-27,246.47-11,247.42

Finding the Fourth Proportional to 19,742.64, 27,246.47 and 11,247.42

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Solution

The fourth proportional to 19,742.64, 27,246.47 and 11,247.42 is: 15,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.64 : 27,246.47 = 11,247.42 : x
  2. Step 2: Convert to fraction form
    19,742.64/27,246.47 = 11,247.42/x
  3. Step 3: Cross multiply
    19,742.64x = 27,246.47 × 11,247.42
  4. Step 4: Simplify right side
    19,742.64x = 306,452,537.54
  5. Step 5: Solve for x
    x = 306,452,537.54/19,742.64
  6. Step 6: Final answer
    x = 15,522.37

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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.