Home / 13,305.94-18,343.12-10,468.39

Finding the Fourth Proportional to 13,305.94, 18,343.12 and 10,468.39

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Solution

The fourth proportional to 13,305.94, 18,343.12 and 10,468.39 is: 14,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.94 : 18,343.12 = 10,468.39 : x
  2. Step 2: Convert to fraction form
    13,305.94/18,343.12 = 10,468.39/x
  3. Step 3: Cross multiply
    13,305.94x = 18,343.12 × 10,468.39
  4. Step 4: Simplify right side
    13,305.94x = 192,022,933.98
  5. Step 5: Solve for x
    x = 192,022,933.98/13,305.94
  6. Step 6: Final answer
    x = 14,431.37

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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.