Home / 13,167.29-19,753.02-5,269.79

Finding the Fourth Proportional to 13,167.29, 19,753.02 and 5,269.79

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Solution

The fourth proportional to 13,167.29, 19,753.02 and 5,269.79 is: 7,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.29 : 19,753.02 = 5,269.79 : x
  2. Step 2: Convert to fraction form
    13,167.29/19,753.02 = 5,269.79/x
  3. Step 3: Cross multiply
    13,167.29x = 19,753.02 × 5,269.79
  4. Step 4: Simplify right side
    13,167.29x = 104,094,168.50
  5. Step 5: Solve for x
    x = 104,094,168.50/13,167.29
  6. Step 6: Final answer
    x = 7,905.51

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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.