Home / 13,670.16-20,511.62-5,348.02

Finding the Fourth Proportional to 13,670.16, 20,511.62 and 5,348.02

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Solution

The fourth proportional to 13,670.16, 20,511.62 and 5,348.02 is: 8,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.16 : 20,511.62 = 5,348.02 : x
  2. Step 2: Convert to fraction form
    13,670.16/20,511.62 = 5,348.02/x
  3. Step 3: Cross multiply
    13,670.16x = 20,511.62 × 5,348.02
  4. Step 4: Simplify right side
    13,670.16x = 109,696,553.99
  5. Step 5: Solve for x
    x = 109,696,553.99/13,670.16
  6. Step 6: Final answer
    x = 8,024.53

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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.