Home / 18,511.02-25,545.66-10,554

Finding the Fourth Proportional to 18,511.02, 25,545.66 and 10,554

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Solution

The fourth proportional to 18,511.02, 25,545.66 and 10,554 is: 14,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.02 : 25,545.66 = 10,554 : x
  2. Step 2: Convert to fraction form
    18,511.02/25,545.66 = 10,554/x
  3. Step 3: Cross multiply
    18,511.02x = 25,545.66 × 10,554
  4. Step 4: Simplify right side
    18,511.02x = 269,608,895.64
  5. Step 5: Solve for x
    x = 269,608,895.64/18,511.02
  6. Step 6: Final answer
    x = 14,564.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.