Home / 13,596.56-18,773.87-8,818.77

Finding the Fourth Proportional to 13,596.56, 18,773.87 and 8,818.77

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Solution

The fourth proportional to 13,596.56, 18,773.87 and 8,818.77 is: 12,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.56 : 18,773.87 = 8,818.77 : x
  2. Step 2: Convert to fraction form
    13,596.56/18,773.87 = 8,818.77/x
  3. Step 3: Cross multiply
    13,596.56x = 18,773.87 × 8,818.77
  4. Step 4: Simplify right side
    13,596.56x = 165,562,397.45
  5. Step 5: Solve for x
    x = 165,562,397.45/13,596.56
  6. Step 6: Final answer
    x = 12,176.79

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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.