Home / 20,344.96-28,064.58-11,846.08

Finding the Fourth Proportional to 20,344.96, 28,064.58 and 11,846.08

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Solution

The fourth proportional to 20,344.96, 28,064.58 and 11,846.08 is: 16,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.96 : 28,064.58 = 11,846.08 : x
  2. Step 2: Convert to fraction form
    20,344.96/28,064.58 = 11,846.08/x
  3. Step 3: Cross multiply
    20,344.96x = 28,064.58 × 11,846.08
  4. Step 4: Simplify right side
    20,344.96x = 332,455,259.85
  5. Step 5: Solve for x
    x = 332,455,259.85/20,344.96
  6. Step 6: Final answer
    x = 16,340.91

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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.