Home / 13,447.28-20,175.60-4,684.52

Finding the Fourth Proportional to 13,447.28, 20,175.60 and 4,684.52

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Solution

The fourth proportional to 13,447.28, 20,175.60 and 4,684.52 is: 7,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.28 : 20,175.60 = 4,684.52 : x
  2. Step 2: Convert to fraction form
    13,447.28/20,175.60 = 4,684.52/x
  3. Step 3: Cross multiply
    13,447.28x = 20,175.60 × 4,684.52
  4. Step 4: Simplify right side
    13,447.28x = 94,513,001.71
  5. Step 5: Solve for x
    x = 94,513,001.71/13,447.28
  6. Step 6: Final answer
    x = 7,028.41

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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.