Home / 26,693.75-40,042.76-7,972.43

Finding the Fourth Proportional to 26,693.75, 40,042.76 and 7,972.43

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Solution

The fourth proportional to 26,693.75, 40,042.76 and 7,972.43 is: 11,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.75 : 40,042.76 = 7,972.43 : x
  2. Step 2: Convert to fraction form
    26,693.75/40,042.76 = 7,972.43/x
  3. Step 3: Cross multiply
    26,693.75x = 40,042.76 × 7,972.43
  4. Step 4: Simplify right side
    26,693.75x = 319,237,861.03
  5. Step 5: Solve for x
    x = 319,237,861.03/26,693.75
  6. Step 6: Final answer
    x = 11,959.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.