Home / 19,600.20-29,357.10-11,795.40

Finding the Fourth Proportional to 19,600.20, 29,357.10 and 11,795.40

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Solution

The fourth proportional to 19,600.20, 29,357.10 and 11,795.40 is: 17,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.20 : 29,357.10 = 11,795.40 : x
  2. Step 2: Convert to fraction form
    19,600.20/29,357.10 = 11,795.40/x
  3. Step 3: Cross multiply
    19,600.20x = 29,357.10 × 11,795.40
  4. Step 4: Simplify right side
    19,600.20x = 346,278,737.34
  5. Step 5: Solve for x
    x = 346,278,737.34/19,600.20
  6. Step 6: Final answer
    x = 17,667.10

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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.