Home / 18,745.57-25,868.91-10,362.07

Finding the Fourth Proportional to 18,745.57, 25,868.91 and 10,362.07

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Solution

The fourth proportional to 18,745.57, 25,868.91 and 10,362.07 is: 14,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.57 : 25,868.91 = 10,362.07 : x
  2. Step 2: Convert to fraction form
    18,745.57/25,868.91 = 10,362.07/x
  3. Step 3: Cross multiply
    18,745.57x = 25,868.91 × 10,362.07
  4. Step 4: Simplify right side
    18,745.57x = 268,055,456.24
  5. Step 5: Solve for x
    x = 268,055,456.24/18,745.57
  6. Step 6: Final answer
    x = 14,299.67

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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.