Home / 15,822.76-21,827.97-11,286.44

Finding the Fourth Proportional to 15,822.76, 21,827.97 and 11,286.44

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Solution

The fourth proportional to 15,822.76, 21,827.97 and 11,286.44 is: 15,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.76 : 21,827.97 = 11,286.44 : x
  2. Step 2: Convert to fraction form
    15,822.76/21,827.97 = 11,286.44/x
  3. Step 3: Cross multiply
    15,822.76x = 21,827.97 × 11,286.44
  4. Step 4: Simplify right side
    15,822.76x = 246,360,030.57
  5. Step 5: Solve for x
    x = 246,360,030.57/15,822.76
  6. Step 6: Final answer
    x = 15,569.98

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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.