Home / 19,216.98-28,791.45-8,806.86

Finding the Fourth Proportional to 19,216.98, 28,791.45 and 8,806.86

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Solution

The fourth proportional to 19,216.98, 28,791.45 and 8,806.86 is: 13,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.98 : 28,791.45 = 8,806.86 : x
  2. Step 2: Convert to fraction form
    19,216.98/28,791.45 = 8,806.86/x
  3. Step 3: Cross multiply
    19,216.98x = 28,791.45 × 8,806.86
  4. Step 4: Simplify right side
    19,216.98x = 253,562,269.35
  5. Step 5: Solve for x
    x = 253,562,269.35/19,216.98
  6. Step 6: Final answer
    x = 13,194.70

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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.