Home / 13,960.10-20,940.14-4,725.38

Finding the Fourth Proportional to 13,960.10, 20,940.14 and 4,725.38

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Solution

The fourth proportional to 13,960.10, 20,940.14 and 4,725.38 is: 7,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.10 : 20,940.14 = 4,725.38 : x
  2. Step 2: Convert to fraction form
    13,960.10/20,940.14 = 4,725.38/x
  3. Step 3: Cross multiply
    13,960.10x = 20,940.14 × 4,725.38
  4. Step 4: Simplify right side
    13,960.10x = 98,950,025.87
  5. Step 5: Solve for x
    x = 98,950,025.87/13,960.10
  6. Step 6: Final answer
    x = 7,088.06

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1.5x scale

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.