Home / 18,029.48-27,029.60-7,507.38

Finding the Fourth Proportional to 18,029.48, 27,029.60 and 7,507.38

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Solution

The fourth proportional to 18,029.48, 27,029.60 and 7,507.38 is: 11,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.48 : 27,029.60 = 7,507.38 : x
  2. Step 2: Convert to fraction form
    18,029.48/27,029.60 = 7,507.38/x
  3. Step 3: Cross multiply
    18,029.48x = 27,029.60 × 7,507.38
  4. Step 4: Simplify right side
    18,029.48x = 202,921,390.23
  5. Step 5: Solve for x
    x = 202,921,390.23/18,029.48
  6. Step 6: Final answer
    x = 11,254.97

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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.