Home / 13,170.92-19,765.27-4,857.59

Finding the Fourth Proportional to 13,170.92, 19,765.27 and 4,857.59

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Solution

The fourth proportional to 13,170.92, 19,765.27 and 4,857.59 is: 7,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.92 : 19,765.27 = 4,857.59 : x
  2. Step 2: Convert to fraction form
    13,170.92/19,765.27 = 4,857.59/x
  3. Step 3: Cross multiply
    13,170.92x = 19,765.27 × 4,857.59
  4. Step 4: Simplify right side
    13,170.92x = 96,011,577.90
  5. Step 5: Solve for x
    x = 96,011,577.90/13,170.92
  6. Step 6: Final answer
    x = 7,289.66

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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.