Home / 19,888.31-27,446.57-10,936.49

Finding the Fourth Proportional to 19,888.31, 27,446.57 and 10,936.49

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Solution

The fourth proportional to 19,888.31, 27,446.57 and 10,936.49 is: 15,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.31 : 27,446.57 = 10,936.49 : x
  2. Step 2: Convert to fraction form
    19,888.31/27,446.57 = 10,936.49/x
  3. Step 3: Cross multiply
    19,888.31x = 27,446.57 × 10,936.49
  4. Step 4: Simplify right side
    19,888.31x = 300,169,138.34
  5. Step 5: Solve for x
    x = 300,169,138.34/19,888.31
  6. Step 6: Final answer
    x = 15,092.74

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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.