Home / 18,745.34-25,869.10-10,247.92

Finding the Fourth Proportional to 18,745.34, 25,869.10 and 10,247.92

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Solution

The fourth proportional to 18,745.34, 25,869.10 and 10,247.92 is: 14,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.34 : 25,869.10 = 10,247.92 : x
  2. Step 2: Convert to fraction form
    18,745.34/25,869.10 = 10,247.92/x
  3. Step 3: Cross multiply
    18,745.34x = 25,869.10 × 10,247.92
  4. Step 4: Simplify right side
    18,745.34x = 265,104,467.27
  5. Step 5: Solve for x
    x = 265,104,467.27/18,745.34
  6. Step 6: Final answer
    x = 14,142.42

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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.