Home / 13,496.07-20,249.95-7,248.79

Finding the Fourth Proportional to 13,496.07, 20,249.95 and 7,248.79

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Solution

The fourth proportional to 13,496.07, 20,249.95 and 7,248.79 is: 10,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.07 : 20,249.95 = 7,248.79 : x
  2. Step 2: Convert to fraction form
    13,496.07/20,249.95 = 7,248.79/x
  3. Step 3: Cross multiply
    13,496.07x = 20,249.95 × 7,248.79
  4. Step 4: Simplify right side
    13,496.07x = 146,787,655.84
  5. Step 5: Solve for x
    x = 146,787,655.84/13,496.07
  6. Step 6: Final answer
    x = 10,876.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.