Home / 15,419.83-23,122.56-8,022.30

Finding the Fourth Proportional to 15,419.83, 23,122.56 and 8,022.30

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Solution

The fourth proportional to 15,419.83, 23,122.56 and 8,022.30 is: 12,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.83 : 23,122.56 = 8,022.30 : x
  2. Step 2: Convert to fraction form
    15,419.83/23,122.56 = 8,022.30/x
  3. Step 3: Cross multiply
    15,419.83x = 23,122.56 × 8,022.30
  4. Step 4: Simplify right side
    15,419.83x = 185,496,113.09
  5. Step 5: Solve for x
    x = 185,496,113.09/15,419.83
  6. Step 6: Final answer
    x = 12,029.71

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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.