Home / 19,398.82-26,769.45-11,015.14

Finding the Fourth Proportional to 19,398.82, 26,769.45 and 11,015.14

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Solution

The fourth proportional to 19,398.82, 26,769.45 and 11,015.14 is: 15,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.82 : 26,769.45 = 11,015.14 : x
  2. Step 2: Convert to fraction form
    19,398.82/26,769.45 = 11,015.14/x
  3. Step 3: Cross multiply
    19,398.82x = 26,769.45 × 11,015.14
  4. Step 4: Simplify right side
    19,398.82x = 294,869,239.47
  5. Step 5: Solve for x
    x = 294,869,239.47/19,398.82
  6. Step 6: Final answer
    x = 15,200.37

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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.