Home / 14,635.11-20,196.60-8,890.91

Finding the Fourth Proportional to 14,635.11, 20,196.60 and 8,890.91

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Solution

The fourth proportional to 14,635.11, 20,196.60 and 8,890.91 is: 12,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.11 : 20,196.60 = 8,890.91 : x
  2. Step 2: Convert to fraction form
    14,635.11/20,196.60 = 8,890.91/x
  3. Step 3: Cross multiply
    14,635.11x = 20,196.60 × 8,890.91
  4. Step 4: Simplify right side
    14,635.11x = 179,566,051.92
  5. Step 5: Solve for x
    x = 179,566,051.92/14,635.11
  6. Step 6: Final answer
    x = 12,269.54

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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.