Home / 13,450.59-18,562.41-11,208.71

Finding the Fourth Proportional to 13,450.59, 18,562.41 and 11,208.71

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Solution

The fourth proportional to 13,450.59, 18,562.41 and 11,208.71 is: 15,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.59 : 18,562.41 = 11,208.71 : x
  2. Step 2: Convert to fraction form
    13,450.59/18,562.41 = 11,208.71/x
  3. Step 3: Cross multiply
    13,450.59x = 18,562.41 × 11,208.71
  4. Step 4: Simplify right side
    13,450.59x = 208,060,745.02
  5. Step 5: Solve for x
    x = 208,060,745.02/13,450.59
  6. Step 6: Final answer
    x = 15,468.52

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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.