Home / 15,193.58-22,715.44-12,879.41

Finding the Fourth Proportional to 15,193.58, 22,715.44 and 12,879.41

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Solution

The fourth proportional to 15,193.58, 22,715.44 and 12,879.41 is: 19,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.58 : 22,715.44 = 12,879.41 : x
  2. Step 2: Convert to fraction form
    15,193.58/22,715.44 = 12,879.41/x
  3. Step 3: Cross multiply
    15,193.58x = 22,715.44 × 12,879.41
  4. Step 4: Simplify right side
    15,193.58x = 292,561,319.31
  5. Step 5: Solve for x
    x = 292,561,319.31/15,193.58
  6. Step 6: Final answer
    x = 19,255.59

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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.