Home / 29,208.20-43,812.30-11,690.60

Finding the Fourth Proportional to 29,208.20, 43,812.30 and 11,690.60

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Solution

The fourth proportional to 29,208.20, 43,812.30 and 11,690.60 is: 17,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.20 : 43,812.30 = 11,690.60 : x
  2. Step 2: Convert to fraction form
    29,208.20/43,812.30 = 11,690.60/x
  3. Step 3: Cross multiply
    29,208.20x = 43,812.30 × 11,690.60
  4. Step 4: Simplify right side
    29,208.20x = 512,192,074.38
  5. Step 5: Solve for x
    x = 512,192,074.38/29,208.20
  6. Step 6: Final answer
    x = 17,535.90

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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.