Home / 14,615.48-20,171.97-8,244.02

Finding the Fourth Proportional to 14,615.48, 20,171.97 and 8,244.02

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Solution

The fourth proportional to 14,615.48, 20,171.97 and 8,244.02 is: 11,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.48 : 20,171.97 = 8,244.02 : x
  2. Step 2: Convert to fraction form
    14,615.48/20,171.97 = 8,244.02/x
  3. Step 3: Cross multiply
    14,615.48x = 20,171.97 × 8,244.02
  4. Step 4: Simplify right side
    14,615.48x = 166,298,023.26
  5. Step 5: Solve for x
    x = 166,298,023.26/14,615.48
  6. Step 6: Final answer
    x = 11,378.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.