Home / 19,179.34-28,764.42-7,330.66

Finding the Fourth Proportional to 19,179.34, 28,764.42 and 7,330.66

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Solution

The fourth proportional to 19,179.34, 28,764.42 and 7,330.66 is: 10,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.34 : 28,764.42 = 7,330.66 : x
  2. Step 2: Convert to fraction form
    19,179.34/28,764.42 = 7,330.66/x
  3. Step 3: Cross multiply
    19,179.34x = 28,764.42 × 7,330.66
  4. Step 4: Simplify right side
    19,179.34x = 210,862,183.12
  5. Step 5: Solve for x
    x = 210,862,183.12/19,179.34
  6. Step 6: Final answer
    x = 10,994.24

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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.