Home / 26,113.28-36,011.85-20,135.48

Finding the Fourth Proportional to 26,113.28, 36,011.85 and 20,135.48

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Solution

The fourth proportional to 26,113.28, 36,011.85 and 20,135.48 is: 27,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.28 : 36,011.85 = 20,135.48 : x
  2. Step 2: Convert to fraction form
    26,113.28/36,011.85 = 20,135.48/x
  3. Step 3: Cross multiply
    26,113.28x = 36,011.85 × 20,135.48
  4. Step 4: Simplify right side
    26,113.28x = 725,115,885.44
  5. Step 5: Solve for x
    x = 725,115,885.44/26,113.28
  6. Step 6: Final answer
    x = 27,768.09

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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.