Home / 23,665.12-35,478.96-11,812.80

Finding the Fourth Proportional to 23,665.12, 35,478.96 and 11,812.80

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Solution

The fourth proportional to 23,665.12, 35,478.96 and 11,812.80 is: 17,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,665.12 : 35,478.96 = 11,812.80 : x
  2. Step 2: Convert to fraction form
    23,665.12/35,478.96 = 11,812.80/x
  3. Step 3: Cross multiply
    23,665.12x = 35,478.96 × 11,812.80
  4. Step 4: Simplify right side
    23,665.12x = 419,105,858.69
  5. Step 5: Solve for x
    x = 419,105,858.69/23,665.12
  6. Step 6: Final answer
    x = 17,709.86

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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.