Home / 13,960.62-19,267.92-10,399.32

Finding the Fourth Proportional to 13,960.62, 19,267.92 and 10,399.32

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Solution

The fourth proportional to 13,960.62, 19,267.92 and 10,399.32 is: 14,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.62 : 19,267.92 = 10,399.32 : x
  2. Step 2: Convert to fraction form
    13,960.62/19,267.92 = 10,399.32/x
  3. Step 3: Cross multiply
    13,960.62x = 19,267.92 × 10,399.32
  4. Step 4: Simplify right side
    13,960.62x = 200,373,265.81
  5. Step 5: Solve for x
    x = 200,373,265.81/13,960.62
  6. Step 6: Final answer
    x = 14,352.75

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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.