Home / 19,924.24-27,489.36-11,539.12

Finding the Fourth Proportional to 19,924.24, 27,489.36 and 11,539.12

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Solution

The fourth proportional to 19,924.24, 27,489.36 and 11,539.12 is: 15,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.24 : 27,489.36 = 11,539.12 : x
  2. Step 2: Convert to fraction form
    19,924.24/27,489.36 = 11,539.12/x
  3. Step 3: Cross multiply
    19,924.24x = 27,489.36 × 11,539.12
  4. Step 4: Simplify right side
    19,924.24x = 317,203,023.76
  5. Step 5: Solve for x
    x = 317,203,023.76/19,924.24
  6. Step 6: Final answer
    x = 15,920.46

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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.