Home / 13,497.60-20,256.66-4,739.88

Finding the Fourth Proportional to 13,497.60, 20,256.66 and 4,739.88

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Solution

The fourth proportional to 13,497.60, 20,256.66 and 4,739.88 is: 7,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.60 : 20,256.66 = 4,739.88 : x
  2. Step 2: Convert to fraction form
    13,497.60/20,256.66 = 4,739.88/x
  3. Step 3: Cross multiply
    13,497.60x = 20,256.66 × 4,739.88
  4. Step 4: Simplify right side
    13,497.60x = 96,014,137.60
  5. Step 5: Solve for x
    x = 96,014,137.60/13,497.60
  6. Step 6: Final answer
    x = 7,113.42

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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.