Home / 27,656.51-38,181.72-18,252.41

Finding the Fourth Proportional to 27,656.51, 38,181.72 and 18,252.41

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Solution

The fourth proportional to 27,656.51, 38,181.72 and 18,252.41 is: 25,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.51 : 38,181.72 = 18,252.41 : x
  2. Step 2: Convert to fraction form
    27,656.51/38,181.72 = 18,252.41/x
  3. Step 3: Cross multiply
    27,656.51x = 38,181.72 × 18,252.41
  4. Step 4: Simplify right side
    27,656.51x = 696,908,217.04
  5. Step 5: Solve for x
    x = 696,908,217.04/27,656.51
  6. Step 6: Final answer
    x = 25,198.71

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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.