Home / 13,498.80-20,236.59-5,713.08

Finding the Fourth Proportional to 13,498.80, 20,236.59 and 5,713.08

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Solution

The fourth proportional to 13,498.80, 20,236.59 and 5,713.08 is: 8,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.80 : 20,236.59 = 5,713.08 : x
  2. Step 2: Convert to fraction form
    13,498.80/20,236.59 = 5,713.08/x
  3. Step 3: Cross multiply
    13,498.80x = 20,236.59 × 5,713.08
  4. Step 4: Simplify right side
    13,498.80x = 115,613,257.60
  5. Step 5: Solve for x
    x = 115,613,257.60/13,498.80
  6. Step 6: Final answer
    x = 8,564.71

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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.