Home / 13,949.02-19,249.41-7,661.26

Finding the Fourth Proportional to 13,949.02, 19,249.41 and 7,661.26

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Solution

The fourth proportional to 13,949.02, 19,249.41 and 7,661.26 is: 10,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.02 : 19,249.41 = 7,661.26 : x
  2. Step 2: Convert to fraction form
    13,949.02/19,249.41 = 7,661.26/x
  3. Step 3: Cross multiply
    13,949.02x = 19,249.41 × 7,661.26
  4. Step 4: Simplify right side
    13,949.02x = 147,474,734.86
  5. Step 5: Solve for x
    x = 147,474,734.86/13,949.02
  6. Step 6: Final answer
    x = 10,572.41

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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.