Home / 13,249.53-18,283.49-7,584.32

Finding the Fourth Proportional to 13,249.53, 18,283.49 and 7,584.32

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Solution

The fourth proportional to 13,249.53, 18,283.49 and 7,584.32 is: 10,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.53 : 18,283.49 = 7,584.32 : x
  2. Step 2: Convert to fraction form
    13,249.53/18,283.49 = 7,584.32/x
  3. Step 3: Cross multiply
    13,249.53x = 18,283.49 × 7,584.32
  4. Step 4: Simplify right side
    13,249.53x = 138,667,903.55
  5. Step 5: Solve for x
    x = 138,667,903.55/13,249.53
  6. Step 6: Final answer
    x = 10,465.87

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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.