Home / 18,745.15-25,868.55-10,247.14

Finding the Fourth Proportional to 18,745.15, 25,868.55 and 10,247.14

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Solution

The fourth proportional to 18,745.15, 25,868.55 and 10,247.14 is: 14,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.15 : 25,868.55 = 10,247.14 : x
  2. Step 2: Convert to fraction form
    18,745.15/25,868.55 = 10,247.14/x
  3. Step 3: Cross multiply
    18,745.15x = 25,868.55 × 10,247.14
  4. Step 4: Simplify right side
    18,745.15x = 265,078,472.87
  5. Step 5: Solve for x
    x = 265,078,472.87/18,745.15
  6. Step 6: Final answer
    x = 14,141.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.