Home / 18,511.41-25,545.81-10,553.77

Finding the Fourth Proportional to 18,511.41, 25,545.81 and 10,553.77

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Solution

The fourth proportional to 18,511.41, 25,545.81 and 10,553.77 is: 14,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.41 : 25,545.81 = 10,553.77 : x
  2. Step 2: Convert to fraction form
    18,511.41/25,545.81 = 10,553.77/x
  3. Step 3: Cross multiply
    18,511.41x = 25,545.81 × 10,553.77
  4. Step 4: Simplify right side
    18,511.41x = 269,604,603.20
  5. Step 5: Solve for x
    x = 269,604,603.20/18,511.41
  6. Step 6: Final answer
    x = 14,564.24

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1.5x scale

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.