Home / 19,888.27-27,446.25-10,936.35

Finding the Fourth Proportional to 19,888.27, 27,446.25 and 10,936.35

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Solution

The fourth proportional to 19,888.27, 27,446.25 and 10,936.35 is: 15,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.27 : 27,446.25 = 10,936.35 : x
  2. Step 2: Convert to fraction form
    19,888.27/27,446.25 = 10,936.35/x
  3. Step 3: Cross multiply
    19,888.27x = 27,446.25 × 10,936.35
  4. Step 4: Simplify right side
    19,888.27x = 300,161,796.19
  5. Step 5: Solve for x
    x = 300,161,796.19/19,888.27
  6. Step 6: Final answer
    x = 15,092.40

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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.