Home / 13,153.27-19,730.94-4,388.18

Finding the Fourth Proportional to 13,153.27, 19,730.94 and 4,388.18

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Solution

The fourth proportional to 13,153.27, 19,730.94 and 4,388.18 is: 6,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.27 : 19,730.94 = 4,388.18 : x
  2. Step 2: Convert to fraction form
    13,153.27/19,730.94 = 4,388.18/x
  3. Step 3: Cross multiply
    13,153.27x = 19,730.94 × 4,388.18
  4. Step 4: Simplify right side
    13,153.27x = 86,582,916.29
  5. Step 5: Solve for x
    x = 86,582,916.29/13,153.27
  6. Step 6: Final answer
    x = 6,582.62

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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.