Home / 19,863.83-27,411.71-10,911.13

Finding the Fourth Proportional to 19,863.83, 27,411.71 and 10,911.13

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Solution

The fourth proportional to 19,863.83, 27,411.71 and 10,911.13 is: 15,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.83 : 27,411.71 = 10,911.13 : x
  2. Step 2: Convert to fraction form
    19,863.83/27,411.71 = 10,911.13/x
  3. Step 3: Cross multiply
    19,863.83x = 27,411.71 × 10,911.13
  4. Step 4: Simplify right side
    19,863.83x = 299,092,608.25
  5. Step 5: Solve for x
    x = 299,092,608.25/19,863.83
  6. Step 6: Final answer
    x = 15,057.15

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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.