Home / 26,281.48-36,286.14-20,220.94

Finding the Fourth Proportional to 26,281.48, 36,286.14 and 20,220.94

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Solution

The fourth proportional to 26,281.48, 36,286.14 and 20,220.94 is: 27,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.48 : 36,286.14 = 20,220.94 : x
  2. Step 2: Convert to fraction form
    26,281.48/36,286.14 = 20,220.94/x
  3. Step 3: Cross multiply
    26,281.48x = 36,286.14 × 20,220.94
  4. Step 4: Simplify right side
    26,281.48x = 733,739,859.77
  5. Step 5: Solve for x
    x = 733,739,859.77/26,281.48
  6. Step 6: Final answer
    x = 27,918.51

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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.