Home / 13,357.92-18,434.60-8,054.44

Finding the Fourth Proportional to 13,357.92, 18,434.60 and 8,054.44

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Solution

The fourth proportional to 13,357.92, 18,434.60 and 8,054.44 is: 11,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.92 : 18,434.60 = 8,054.44 : x
  2. Step 2: Convert to fraction form
    13,357.92/18,434.60 = 8,054.44/x
  3. Step 3: Cross multiply
    13,357.92x = 18,434.60 × 8,054.44
  4. Step 4: Simplify right side
    13,357.92x = 148,480,379.62
  5. Step 5: Solve for x
    x = 148,480,379.62/13,357.92
  6. Step 6: Final answer
    x = 11,115.53

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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.