Home / 26,529.35-36,615.70-15,206.43

Finding the Fourth Proportional to 26,529.35, 36,615.70 and 15,206.43

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Solution

The fourth proportional to 26,529.35, 36,615.70 and 15,206.43 is: 20,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.35 : 36,615.70 = 15,206.43 : x
  2. Step 2: Convert to fraction form
    26,529.35/36,615.70 = 15,206.43/x
  3. Step 3: Cross multiply
    26,529.35x = 36,615.70 × 15,206.43
  4. Step 4: Simplify right side
    26,529.35x = 556,794,078.95
  5. Step 5: Solve for x
    x = 556,794,078.95/26,529.35
  6. Step 6: Final answer
    x = 20,987.85

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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.