Home / 20,674.10-28,529.42-11,723.52

Finding the Fourth Proportional to 20,674.10, 28,529.42 and 11,723.52

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Solution

The fourth proportional to 20,674.10, 28,529.42 and 11,723.52 is: 16,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.10 : 28,529.42 = 11,723.52 : x
  2. Step 2: Convert to fraction form
    20,674.10/28,529.42 = 11,723.52/x
  3. Step 3: Cross multiply
    20,674.10x = 28,529.42 × 11,723.52
  4. Step 4: Simplify right side
    20,674.10x = 334,465,225.96
  5. Step 5: Solve for x
    x = 334,465,225.96/20,674.10
  6. Step 6: Final answer
    x = 16,177.98

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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.