Home / 19,854.16-27,398.68-10,901.36

Finding the Fourth Proportional to 19,854.16, 27,398.68 and 10,901.36

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Solution

The fourth proportional to 19,854.16, 27,398.68 and 10,901.36 is: 15,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.16 : 27,398.68 = 10,901.36 : x
  2. Step 2: Convert to fraction form
    19,854.16/27,398.68 = 10,901.36/x
  3. Step 3: Cross multiply
    19,854.16x = 27,398.68 × 10,901.36
  4. Step 4: Simplify right side
    19,854.16x = 298,682,874.20
  5. Step 5: Solve for x
    x = 298,682,874.20/19,854.16
  6. Step 6: Final answer
    x = 15,043.84

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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.