Home / 13,528.25-20,274.56-5,727.41

Finding the Fourth Proportional to 13,528.25, 20,274.56 and 5,727.41

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Solution

The fourth proportional to 13,528.25, 20,274.56 and 5,727.41 is: 8,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.25 : 20,274.56 = 5,727.41 : x
  2. Step 2: Convert to fraction form
    13,528.25/20,274.56 = 5,727.41/x
  3. Step 3: Cross multiply
    13,528.25x = 20,274.56 × 5,727.41
  4. Step 4: Simplify right side
    13,528.25x = 116,120,689.05
  5. Step 5: Solve for x
    x = 116,120,689.05/13,528.25
  6. Step 6: Final answer
    x = 8,583.57

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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.