Home / 28,813.83-43,191.11-11,039.66

Finding the Fourth Proportional to 28,813.83, 43,191.11 and 11,039.66

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Solution

The fourth proportional to 28,813.83, 43,191.11 and 11,039.66 is: 16,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.83 : 43,191.11 = 11,039.66 : x
  2. Step 2: Convert to fraction form
    28,813.83/43,191.11 = 11,039.66/x
  3. Step 3: Cross multiply
    28,813.83x = 43,191.11 × 11,039.66
  4. Step 4: Simplify right side
    28,813.83x = 476,814,898.27
  5. Step 5: Solve for x
    x = 476,814,898.27/28,813.83
  6. Step 6: Final answer
    x = 16,548.13

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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.