Home / 13,190.08-19,785.16-5,397.52

Finding the Fourth Proportional to 13,190.08, 19,785.16 and 5,397.52

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Solution

The fourth proportional to 13,190.08, 19,785.16 and 5,397.52 is: 8,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.08 : 19,785.16 = 5,397.52 : x
  2. Step 2: Convert to fraction form
    13,190.08/19,785.16 = 5,397.52/x
  3. Step 3: Cross multiply
    13,190.08x = 19,785.16 × 5,397.52
  4. Step 4: Simplify right side
    13,190.08x = 106,790,796.80
  5. Step 5: Solve for x
    x = 106,790,796.80/13,190.08
  6. Step 6: Final answer
    x = 8,096.30

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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.