Home / 13,249-19,856.46-10,117.48

Finding the Fourth Proportional to 13,249, 19,856.46 and 10,117.48

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Solution

The fourth proportional to 13,249, 19,856.46 and 10,117.48 is: 15,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249 : 19,856.46 = 10,117.48 : x
  2. Step 2: Convert to fraction form
    13,249/19,856.46 = 10,117.48/x
  3. Step 3: Cross multiply
    13,249x = 19,856.46 × 10,117.48
  4. Step 4: Simplify right side
    13,249x = 200,897,336.92
  5. Step 5: Solve for x
    x = 200,897,336.92/13,249
  6. Step 6: Final answer
    x = 15,163.21

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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.