Home / 23,230.81-32,057.82-12,620.41

Finding the Fourth Proportional to 23,230.81, 32,057.82 and 12,620.41

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Solution

The fourth proportional to 23,230.81, 32,057.82 and 12,620.41 is: 17,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,230.81 : 32,057.82 = 12,620.41 : x
  2. Step 2: Convert to fraction form
    23,230.81/32,057.82 = 12,620.41/x
  3. Step 3: Cross multiply
    23,230.81x = 32,057.82 × 12,620.41
  4. Step 4: Simplify right side
    23,230.81x = 404,582,832.11
  5. Step 5: Solve for x
    x = 404,582,832.11/23,230.81
  6. Step 6: Final answer
    x = 17,415.79

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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.