Home / 20,624.98-28,462.04-11,193.54

Finding the Fourth Proportional to 20,624.98, 28,462.04 and 11,193.54

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Solution

The fourth proportional to 20,624.98, 28,462.04 and 11,193.54 is: 15,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.98 : 28,462.04 = 11,193.54 : x
  2. Step 2: Convert to fraction form
    20,624.98/28,462.04 = 11,193.54/x
  3. Step 3: Cross multiply
    20,624.98x = 28,462.04 × 11,193.54
  4. Step 4: Simplify right side
    20,624.98x = 318,590,983.22
  5. Step 5: Solve for x
    x = 318,590,983.22/20,624.98
  6. Step 6: Final answer
    x = 15,446.85

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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.