Home / 13,519.53-20,260.77-7,599.26

Finding the Fourth Proportional to 13,519.53, 20,260.77 and 7,599.26

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Solution

The fourth proportional to 13,519.53, 20,260.77 and 7,599.26 is: 11,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.53 : 20,260.77 = 7,599.26 : x
  2. Step 2: Convert to fraction form
    13,519.53/20,260.77 = 7,599.26/x
  3. Step 3: Cross multiply
    13,519.53x = 20,260.77 × 7,599.26
  4. Step 4: Simplify right side
    13,519.53x = 153,966,757.73
  5. Step 5: Solve for x
    x = 153,966,757.73/13,519.53
  6. Step 6: Final answer
    x = 11,388.47

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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.