Home / 18,024.25-27,036.38-5,712.25

Finding the Fourth Proportional to 18,024.25, 27,036.38 and 5,712.25

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Solution

The fourth proportional to 18,024.25, 27,036.38 and 5,712.25 is: 8,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.25 : 27,036.38 = 5,712.25 : x
  2. Step 2: Convert to fraction form
    18,024.25/27,036.38 = 5,712.25/x
  3. Step 3: Cross multiply
    18,024.25x = 27,036.38 × 5,712.25
  4. Step 4: Simplify right side
    18,024.25x = 154,438,533.09
  5. Step 5: Solve for x
    x = 154,438,533.09/18,024.25
  6. Step 6: Final answer
    x = 8,568.38

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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.