Home / 26,213.76-39,319.56-11,422.62

Finding the Fourth Proportional to 26,213.76, 39,319.56 and 11,422.62

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Solution

The fourth proportional to 26,213.76, 39,319.56 and 11,422.62 is: 17,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.76 : 39,319.56 = 11,422.62 : x
  2. Step 2: Convert to fraction form
    26,213.76/39,319.56 = 11,422.62/x
  3. Step 3: Cross multiply
    26,213.76x = 39,319.56 × 11,422.62
  4. Step 4: Simplify right side
    26,213.76x = 449,132,392.45
  5. Step 5: Solve for x
    x = 449,132,392.45/26,213.76
  6. Step 6: Final answer
    x = 17,133.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.