Home / 13,149.81-19,725.12-5,750.46

Finding the Fourth Proportional to 13,149.81, 19,725.12 and 5,750.46

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Solution

The fourth proportional to 13,149.81, 19,725.12 and 5,750.46 is: 8,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.81 : 19,725.12 = 5,750.46 : x
  2. Step 2: Convert to fraction form
    13,149.81/19,725.12 = 5,750.46/x
  3. Step 3: Cross multiply
    13,149.81x = 19,725.12 × 5,750.46
  4. Step 4: Simplify right side
    13,149.81x = 113,428,513.56
  5. Step 5: Solve for x
    x = 113,428,513.56/13,149.81
  6. Step 6: Final answer
    x = 8,625.87

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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.