Home / 13,363.42-18,429.34-11,474.41

Finding the Fourth Proportional to 13,363.42, 18,429.34 and 11,474.41

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Solution

The fourth proportional to 13,363.42, 18,429.34 and 11,474.41 is: 15,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.42 : 18,429.34 = 11,474.41 : x
  2. Step 2: Convert to fraction form
    13,363.42/18,429.34 = 11,474.41/x
  3. Step 3: Cross multiply
    13,363.42x = 18,429.34 × 11,474.41
  4. Step 4: Simplify right side
    13,363.42x = 211,465,745.82
  5. Step 5: Solve for x
    x = 211,465,745.82/13,363.42
  6. Step 6: Final answer
    x = 15,824.22

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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.