Home / 13,993.20-20,952.36-10,960.92

Finding the Fourth Proportional to 13,993.20, 20,952.36 and 10,960.92

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Solution

The fourth proportional to 13,993.20, 20,952.36 and 10,960.92 is: 16,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.20 : 20,952.36 = 10,960.92 : x
  2. Step 2: Convert to fraction form
    13,993.20/20,952.36 = 10,960.92/x
  3. Step 3: Cross multiply
    13,993.20x = 20,952.36 × 10,960.92
  4. Step 4: Simplify right side
    13,993.20x = 229,657,141.77
  5. Step 5: Solve for x
    x = 229,657,141.77/13,993.20
  6. Step 6: Final answer
    x = 16,412.05

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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.