Home / 26,658.68-36,786.84-15,327.59

Finding the Fourth Proportional to 26,658.68, 36,786.84 and 15,327.59

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Solution

The fourth proportional to 26,658.68, 36,786.84 and 15,327.59 is: 21,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.68 : 36,786.84 = 15,327.59 : x
  2. Step 2: Convert to fraction form
    26,658.68/36,786.84 = 15,327.59/x
  3. Step 3: Cross multiply
    26,658.68x = 36,786.84 × 15,327.59
  4. Step 4: Simplify right side
    26,658.68x = 563,853,600.92
  5. Step 5: Solve for x
    x = 563,853,600.92/26,658.68
  6. Step 6: Final answer
    x = 21,150.84

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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.