Home / 19,863.77-27,411.91-10,911.25

Finding the Fourth Proportional to 19,863.77, 27,411.91 and 10,911.25

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Solution

The fourth proportional to 19,863.77, 27,411.91 and 10,911.25 is: 15,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.77 : 27,411.91 = 10,911.25 : x
  2. Step 2: Convert to fraction form
    19,863.77/27,411.91 = 10,911.25/x
  3. Step 3: Cross multiply
    19,863.77x = 27,411.91 × 10,911.25
  4. Step 4: Simplify right side
    19,863.77x = 299,098,107.18
  5. Step 5: Solve for x
    x = 299,098,107.18/19,863.77
  6. Step 6: Final answer
    x = 15,057.47

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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.