Home / 19,853.91-27,398.21-10,901.34

Finding the Fourth Proportional to 19,853.91, 27,398.21 and 10,901.34

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Solution

The fourth proportional to 19,853.91, 27,398.21 and 10,901.34 is: 15,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.91 : 27,398.21 = 10,901.34 : x
  2. Step 2: Convert to fraction form
    19,853.91/27,398.21 = 10,901.34/x
  3. Step 3: Cross multiply
    19,853.91x = 27,398.21 × 10,901.34
  4. Step 4: Simplify right side
    19,853.91x = 298,677,202.60
  5. Step 5: Solve for x
    x = 298,677,202.60/19,853.91
  6. Step 6: Final answer
    x = 15,043.75

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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.