Home / 18,827.94-25,979.86-11,272.46

Finding the Fourth Proportional to 18,827.94, 25,979.86 and 11,272.46

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Solution

The fourth proportional to 18,827.94, 25,979.86 and 11,272.46 is: 15,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.94 : 25,979.86 = 11,272.46 : x
  2. Step 2: Convert to fraction form
    18,827.94/25,979.86 = 11,272.46/x
  3. Step 3: Cross multiply
    18,827.94x = 25,979.86 × 11,272.46
  4. Step 4: Simplify right side
    18,827.94x = 292,856,876.29
  5. Step 5: Solve for x
    x = 292,856,876.29/18,827.94
  6. Step 6: Final answer
    x = 15,554.38

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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.