Home / 17,427.68-26,145.12-7,040.24

Finding the Fourth Proportional to 17,427.68, 26,145.12 and 7,040.24

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Solution

The fourth proportional to 17,427.68, 26,145.12 and 7,040.24 is: 10,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.68 : 26,145.12 = 7,040.24 : x
  2. Step 2: Convert to fraction form
    17,427.68/26,145.12 = 7,040.24/x
  3. Step 3: Cross multiply
    17,427.68x = 26,145.12 × 7,040.24
  4. Step 4: Simplify right side
    17,427.68x = 184,067,919.63
  5. Step 5: Solve for x
    x = 184,067,919.63/17,427.68
  6. Step 6: Final answer
    x = 10,561.81

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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.