Home / 14,513.92-20,025.78-8,545.84

Finding the Fourth Proportional to 14,513.92, 20,025.78 and 8,545.84

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Solution

The fourth proportional to 14,513.92, 20,025.78 and 8,545.84 is: 11,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.92 : 20,025.78 = 8,545.84 : x
  2. Step 2: Convert to fraction form
    14,513.92/20,025.78 = 8,545.84/x
  3. Step 3: Cross multiply
    14,513.92x = 20,025.78 × 8,545.84
  4. Step 4: Simplify right side
    14,513.92x = 171,137,111.76
  5. Step 5: Solve for x
    x = 171,137,111.76/14,513.92
  6. Step 6: Final answer
    x = 11,791.24

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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.