Home / 13,031.22-19,546.54-3,170.56

Finding the Fourth Proportional to 13,031.22, 19,546.54 and 3,170.56

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Solution

The fourth proportional to 13,031.22, 19,546.54 and 3,170.56 is: 4,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.22 : 19,546.54 = 3,170.56 : x
  2. Step 2: Convert to fraction form
    13,031.22/19,546.54 = 3,170.56/x
  3. Step 3: Cross multiply
    13,031.22x = 19,546.54 × 3,170.56
  4. Step 4: Simplify right side
    13,031.22x = 61,973,477.86
  5. Step 5: Solve for x
    x = 61,973,477.86/13,031.22
  6. Step 6: Final answer
    x = 4,755.77

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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.