Home / 15,827.97-21,836.46-10,161.21

Finding the Fourth Proportional to 15,827.97, 21,836.46 and 10,161.21

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Solution

The fourth proportional to 15,827.97, 21,836.46 and 10,161.21 is: 14,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.97 : 21,836.46 = 10,161.21 : x
  2. Step 2: Convert to fraction form
    15,827.97/21,836.46 = 10,161.21/x
  3. Step 3: Cross multiply
    15,827.97x = 21,836.46 × 10,161.21
  4. Step 4: Simplify right side
    15,827.97x = 221,884,855.72
  5. Step 5: Solve for x
    x = 221,884,855.72/15,827.97
  6. Step 6: Final answer
    x = 14,018.53

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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.