Home / 13,398.56-20,097.60-5,499.36

Finding the Fourth Proportional to 13,398.56, 20,097.60 and 5,499.36

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Solution

The fourth proportional to 13,398.56, 20,097.60 and 5,499.36 is: 8,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.56 : 20,097.60 = 5,499.36 : x
  2. Step 2: Convert to fraction form
    13,398.56/20,097.60 = 5,499.36/x
  3. Step 3: Cross multiply
    13,398.56x = 20,097.60 × 5,499.36
  4. Step 4: Simplify right side
    13,398.56x = 110,523,937.54
  5. Step 5: Solve for x
    x = 110,523,937.54/13,398.56
  6. Step 6: Final answer
    x = 8,248.94

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1.5x scale

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.