Home / 12,967.48-19,450.26-5,178.04

Finding the Fourth Proportional to 12,967.48, 19,450.26 and 5,178.04

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Solution

The fourth proportional to 12,967.48, 19,450.26 and 5,178.04 is: 7,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.48 : 19,450.26 = 5,178.04 : x
  2. Step 2: Convert to fraction form
    12,967.48/19,450.26 = 5,178.04/x
  3. Step 3: Cross multiply
    12,967.48x = 19,450.26 × 5,178.04
  4. Step 4: Simplify right side
    12,967.48x = 100,714,224.29
  5. Step 5: Solve for x
    x = 100,714,224.29/12,967.48
  6. Step 6: Final answer
    x = 7,766.68

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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.