Home / 13,167.20-19,738.20-6,586.76

Finding the Fourth Proportional to 13,167.20, 19,738.20 and 6,586.76

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Solution

The fourth proportional to 13,167.20, 19,738.20 and 6,586.76 is: 9,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.20 : 19,738.20 = 6,586.76 : x
  2. Step 2: Convert to fraction form
    13,167.20/19,738.20 = 6,586.76/x
  3. Step 3: Cross multiply
    13,167.20x = 19,738.20 × 6,586.76
  4. Step 4: Simplify right side
    13,167.20x = 130,010,786.23
  5. Step 5: Solve for x
    x = 130,010,786.23/13,167.20
  6. Step 6: Final answer
    x = 9,873.84

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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.