Home / 17,018.37-25,521.87-7,155.81

Finding the Fourth Proportional to 17,018.37, 25,521.87 and 7,155.81

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Solution

The fourth proportional to 17,018.37, 25,521.87 and 7,155.81 is: 10,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.37 : 25,521.87 = 7,155.81 : x
  2. Step 2: Convert to fraction form
    17,018.37/25,521.87 = 7,155.81/x
  3. Step 3: Cross multiply
    17,018.37x = 25,521.87 × 7,155.81
  4. Step 4: Simplify right side
    17,018.37x = 182,629,652.56
  5. Step 5: Solve for x
    x = 182,629,652.56/17,018.37
  6. Step 6: Final answer
    x = 10,731.32

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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.