Home / 26,228.60-36,195.63-15,618.68

Finding the Fourth Proportional to 26,228.60, 36,195.63 and 15,618.68

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Solution

The fourth proportional to 26,228.60, 36,195.63 and 15,618.68 is: 21,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.60 : 36,195.63 = 15,618.68 : x
  2. Step 2: Convert to fraction form
    26,228.60/36,195.63 = 15,618.68/x
  3. Step 3: Cross multiply
    26,228.60x = 36,195.63 × 15,618.68
  4. Step 4: Simplify right side
    26,228.60x = 565,327,962.37
  5. Step 5: Solve for x
    x = 565,327,962.37/26,228.60
  6. Step 6: Final answer
    x = 21,553.87

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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.