Home / 27,906.66-38,497.68-18,483.12

Finding the Fourth Proportional to 27,906.66, 38,497.68 and 18,483.12

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Solution

The fourth proportional to 27,906.66, 38,497.68 and 18,483.12 is: 25,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.66 : 38,497.68 = 18,483.12 : x
  2. Step 2: Convert to fraction form
    27,906.66/38,497.68 = 18,483.12/x
  3. Step 3: Cross multiply
    27,906.66x = 38,497.68 × 18,483.12
  4. Step 4: Simplify right side
    27,906.66x = 711,557,239.16
  5. Step 5: Solve for x
    x = 711,557,239.16/27,906.66
  6. Step 6: Final answer
    x = 25,497.76

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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.