Home / 13,930.92-20,896.16-5,610.74

Finding the Fourth Proportional to 13,930.92, 20,896.16 and 5,610.74

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Solution

The fourth proportional to 13,930.92, 20,896.16 and 5,610.74 is: 8,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.92 : 20,896.16 = 5,610.74 : x
  2. Step 2: Convert to fraction form
    13,930.92/20,896.16 = 5,610.74/x
  3. Step 3: Cross multiply
    13,930.92x = 20,896.16 × 5,610.74
  4. Step 4: Simplify right side
    13,930.92x = 117,242,788.22
  5. Step 5: Solve for x
    x = 117,242,788.22/13,930.92
  6. Step 6: Final answer
    x = 8,416.01

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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.