Home / 13,910.86-19,193.56-8,246.94

Finding the Fourth Proportional to 13,910.86, 19,193.56 and 8,246.94

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Solution

The fourth proportional to 13,910.86, 19,193.56 and 8,246.94 is: 11,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.86 : 19,193.56 = 8,246.94 : x
  2. Step 2: Convert to fraction form
    13,910.86/19,193.56 = 8,246.94/x
  3. Step 3: Cross multiply
    13,910.86x = 19,193.56 × 8,246.94
  4. Step 4: Simplify right side
    13,910.86x = 158,288,045.11
  5. Step 5: Solve for x
    x = 158,288,045.11/13,910.86
  6. Step 6: Final answer
    x = 11,378.74

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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.