Home / 19,853.94-27,398.34-10,901.28

Finding the Fourth Proportional to 19,853.94, 27,398.34 and 10,901.28

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Solution

The fourth proportional to 19,853.94, 27,398.34 and 10,901.28 is: 15,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.94 : 27,398.34 = 10,901.28 : x
  2. Step 2: Convert to fraction form
    19,853.94/27,398.34 = 10,901.28/x
  3. Step 3: Cross multiply
    19,853.94x = 27,398.34 × 10,901.28
  4. Step 4: Simplify right side
    19,853.94x = 298,676,975.88
  5. Step 5: Solve for x
    x = 298,676,975.88/19,853.94
  6. Step 6: Final answer
    x = 15,043.71

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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.