Home / 13,449.72-20,167.64-6,047.88

Finding the Fourth Proportional to 13,449.72, 20,167.64 and 6,047.88

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Solution

The fourth proportional to 13,449.72, 20,167.64 and 6,047.88 is: 9,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.72 : 20,167.64 = 6,047.88 : x
  2. Step 2: Convert to fraction form
    13,449.72/20,167.64 = 6,047.88/x
  3. Step 3: Cross multiply
    13,449.72x = 20,167.64 × 6,047.88
  4. Step 4: Simplify right side
    13,449.72x = 121,971,466.60
  5. Step 5: Solve for x
    x = 121,971,466.60/13,449.72
  6. Step 6: Final answer
    x = 9,068.70

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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.