Home / 19,257.10-28,885.65-10,933.90

Finding the Fourth Proportional to 19,257.10, 28,885.65 and 10,933.90

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Solution

The fourth proportional to 19,257.10, 28,885.65 and 10,933.90 is: 16,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.10 : 28,885.65 = 10,933.90 : x
  2. Step 2: Convert to fraction form
    19,257.10/28,885.65 = 10,933.90/x
  3. Step 3: Cross multiply
    19,257.10x = 28,885.65 × 10,933.90
  4. Step 4: Simplify right side
    19,257.10x = 315,832,808.54
  5. Step 5: Solve for x
    x = 315,832,808.54/19,257.10
  6. Step 6: Final answer
    x = 16,400.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.