Home / 21,585.08-32,383.19-8,433.11

Finding the Fourth Proportional to 21,585.08, 32,383.19 and 8,433.11

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Solution

The fourth proportional to 21,585.08, 32,383.19 and 8,433.11 is: 12,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.08 : 32,383.19 = 8,433.11 : x
  2. Step 2: Convert to fraction form
    21,585.08/32,383.19 = 8,433.11/x
  3. Step 3: Cross multiply
    21,585.08x = 32,383.19 × 8,433.11
  4. Step 4: Simplify right side
    21,585.08x = 273,091,105.46
  5. Step 5: Solve for x
    x = 273,091,105.46/21,585.08
  6. Step 6: Final answer
    x = 12,651.84

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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.