Home / 13,841.74-20,752.55-5,519.26

Finding the Fourth Proportional to 13,841.74, 20,752.55 and 5,519.26

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Solution

The fourth proportional to 13,841.74, 20,752.55 and 5,519.26 is: 8,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.74 : 20,752.55 = 5,519.26 : x
  2. Step 2: Convert to fraction form
    13,841.74/20,752.55 = 5,519.26/x
  3. Step 3: Cross multiply
    13,841.74x = 20,752.55 × 5,519.26
  4. Step 4: Simplify right side
    13,841.74x = 114,538,639.64
  5. Step 5: Solve for x
    x = 114,538,639.64/13,841.74
  6. Step 6: Final answer
    x = 8,274.87

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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.