Home / 19,998.24-27,599.28-11,046.72

Finding the Fourth Proportional to 19,998.24, 27,599.28 and 11,046.72

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Solution

The fourth proportional to 19,998.24, 27,599.28 and 11,046.72 is: 15,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.24 : 27,599.28 = 11,046.72 : x
  2. Step 2: Convert to fraction form
    19,998.24/27,599.28 = 11,046.72/x
  3. Step 3: Cross multiply
    19,998.24x = 27,599.28 × 11,046.72
  4. Step 4: Simplify right side
    19,998.24x = 304,881,518.36
  5. Step 5: Solve for x
    x = 304,881,518.36/19,998.24
  6. Step 6: Final answer
    x = 15,245.42

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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.