Home / 23,276.05-32,121.09-12,665.75

Finding the Fourth Proportional to 23,276.05, 32,121.09 and 12,665.75

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Solution

The fourth proportional to 23,276.05, 32,121.09 and 12,665.75 is: 17,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.05 : 32,121.09 = 12,665.75 : x
  2. Step 2: Convert to fraction form
    23,276.05/32,121.09 = 12,665.75/x
  3. Step 3: Cross multiply
    23,276.05x = 32,121.09 × 12,665.75
  4. Step 4: Simplify right side
    23,276.05x = 406,837,471.73
  5. Step 5: Solve for x
    x = 406,837,471.73/23,276.05
  6. Step 6: Final answer
    x = 17,478.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.