Home / 14,592.23-20,135.77-8,217.81

Finding the Fourth Proportional to 14,592.23, 20,135.77 and 8,217.81

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Solution

The fourth proportional to 14,592.23, 20,135.77 and 8,217.81 is: 11,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.23 : 20,135.77 = 8,217.81 : x
  2. Step 2: Convert to fraction form
    14,592.23/20,135.77 = 8,217.81/x
  3. Step 3: Cross multiply
    14,592.23x = 20,135.77 × 8,217.81
  4. Step 4: Simplify right side
    14,592.23x = 165,471,932.06
  5. Step 5: Solve for x
    x = 165,471,932.06/14,592.23
  6. Step 6: Final answer
    x = 11,339.73

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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.