Home / 13,031.15-19,546.73-3,170.36

Finding the Fourth Proportional to 13,031.15, 19,546.73 and 3,170.36

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Solution

The fourth proportional to 13,031.15, 19,546.73 and 3,170.36 is: 4,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.15 : 19,546.73 = 3,170.36 : x
  2. Step 2: Convert to fraction form
    13,031.15/19,546.73 = 3,170.36/x
  3. Step 3: Cross multiply
    13,031.15x = 19,546.73 × 3,170.36
  4. Step 4: Simplify right side
    13,031.15x = 61,970,057.34
  5. Step 5: Solve for x
    x = 61,970,057.34/13,031.15
  6. Step 6: Final answer
    x = 4,755.53

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Similar ratio
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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.