Home / 27,968.90-38,593.57-18,913.96

Finding the Fourth Proportional to 27,968.90, 38,593.57 and 18,913.96

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Solution

The fourth proportional to 27,968.90, 38,593.57 and 18,913.96 is: 26,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.90 : 38,593.57 = 18,913.96 : x
  2. Step 2: Convert to fraction form
    27,968.90/38,593.57 = 18,913.96/x
  3. Step 3: Cross multiply
    27,968.90x = 38,593.57 × 18,913.96
  4. Step 4: Simplify right side
    27,968.90x = 729,957,239.24
  5. Step 5: Solve for x
    x = 729,957,239.24/27,968.90
  6. Step 6: Final answer
    x = 26,098.89

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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.