Home / 20,732.01-28,608.77-11,658.75

Finding the Fourth Proportional to 20,732.01, 28,608.77 and 11,658.75

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Solution

The fourth proportional to 20,732.01, 28,608.77 and 11,658.75 is: 16,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.01 : 28,608.77 = 11,658.75 : x
  2. Step 2: Convert to fraction form
    20,732.01/28,608.77 = 11,658.75/x
  3. Step 3: Cross multiply
    20,732.01x = 28,608.77 × 11,658.75
  4. Step 4: Simplify right side
    20,732.01x = 333,542,354.19
  5. Step 5: Solve for x
    x = 333,542,354.19/20,732.01
  6. Step 6: Final answer
    x = 16,088.28

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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.