Home / 28,552.11-42,832.73-9,827.54

Finding the Fourth Proportional to 28,552.11, 42,832.73 and 9,827.54

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Solution

The fourth proportional to 28,552.11, 42,832.73 and 9,827.54 is: 14,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.11 : 42,832.73 = 9,827.54 : x
  2. Step 2: Convert to fraction form
    28,552.11/42,832.73 = 9,827.54/x
  3. Step 3: Cross multiply
    28,552.11x = 42,832.73 × 9,827.54
  4. Step 4: Simplify right side
    28,552.11x = 420,940,367.38
  5. Step 5: Solve for x
    x = 420,940,367.38/28,552.11
  6. Step 6: Final answer
    x = 14,742.88

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1.5x scale

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.