Home / 26,965.50-37,215.03-20,147.69

Finding the Fourth Proportional to 26,965.50, 37,215.03 and 20,147.69

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Solution

The fourth proportional to 26,965.50, 37,215.03 and 20,147.69 is: 27,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.50 : 37,215.03 = 20,147.69 : x
  2. Step 2: Convert to fraction form
    26,965.50/37,215.03 = 20,147.69/x
  3. Step 3: Cross multiply
    26,965.50x = 37,215.03 × 20,147.69
  4. Step 4: Simplify right side
    26,965.50x = 749,796,880.08
  5. Step 5: Solve for x
    x = 749,796,880.08/26,965.50
  6. Step 6: Final answer
    x = 27,805.78

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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.