Home / 18,285.24-27,427.86-15,029.04

Finding the Fourth Proportional to 18,285.24, 27,427.86 and 15,029.04

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Solution

The fourth proportional to 18,285.24, 27,427.86 and 15,029.04 is: 22,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.24 : 27,427.86 = 15,029.04 : x
  2. Step 2: Convert to fraction form
    18,285.24/27,427.86 = 15,029.04/x
  3. Step 3: Cross multiply
    18,285.24x = 27,427.86 × 15,029.04
  4. Step 4: Simplify right side
    18,285.24x = 412,214,405.05
  5. Step 5: Solve for x
    x = 412,214,405.05/18,285.24
  6. Step 6: Final answer
    x = 22,543.56

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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.