Home / 18,351.57-27,525.48-5,025.75

Finding the Fourth Proportional to 18,351.57, 27,525.48 and 5,025.75

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Solution

The fourth proportional to 18,351.57, 27,525.48 and 5,025.75 is: 7,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.57 : 27,525.48 = 5,025.75 : x
  2. Step 2: Convert to fraction form
    18,351.57/27,525.48 = 5,025.75/x
  3. Step 3: Cross multiply
    18,351.57x = 27,525.48 × 5,025.75
  4. Step 4: Simplify right side
    18,351.57x = 138,336,181.11
  5. Step 5: Solve for x
    x = 138,336,181.11/18,351.57
  6. Step 6: Final answer
    x = 7,538.11

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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.