Home / 19,896.34-27,456.81-10,943.62

Finding the Fourth Proportional to 19,896.34, 27,456.81 and 10,943.62

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Solution

The fourth proportional to 19,896.34, 27,456.81 and 10,943.62 is: 15,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.34 : 27,456.81 = 10,943.62 : x
  2. Step 2: Convert to fraction form
    19,896.34/27,456.81 = 10,943.62/x
  3. Step 3: Cross multiply
    19,896.34x = 27,456.81 × 10,943.62
  4. Step 4: Simplify right side
    19,896.34x = 300,476,895.05
  5. Step 5: Solve for x
    x = 300,476,895.05/19,896.34
  6. Step 6: Final answer
    x = 15,102.12

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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.