Home / 13,620.23-20,423.16-4,732.12

Finding the Fourth Proportional to 13,620.23, 20,423.16 and 4,732.12

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Solution

The fourth proportional to 13,620.23, 20,423.16 and 4,732.12 is: 7,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.23 : 20,423.16 = 4,732.12 : x
  2. Step 2: Convert to fraction form
    13,620.23/20,423.16 = 4,732.12/x
  3. Step 3: Cross multiply
    13,620.23x = 20,423.16 × 4,732.12
  4. Step 4: Simplify right side
    13,620.23x = 96,644,882.74
  5. Step 5: Solve for x
    x = 96,644,882.74/13,620.23
  6. Step 6: Final answer
    x = 7,095.69

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