Home / 26,786.99-36,970.61-15,454.44

Finding the Fourth Proportional to 26,786.99, 36,970.61 and 15,454.44

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Solution

The fourth proportional to 26,786.99, 36,970.61 and 15,454.44 is: 21,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.99 : 36,970.61 = 15,454.44 : x
  2. Step 2: Convert to fraction form
    26,786.99/36,970.61 = 15,454.44/x
  3. Step 3: Cross multiply
    26,786.99x = 36,970.61 × 15,454.44
  4. Step 4: Simplify right side
    26,786.99x = 571,359,996.74
  5. Step 5: Solve for x
    x = 571,359,996.74/26,786.99
  6. Step 6: Final answer
    x = 21,329.76

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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.