Home / 13,563.20-18,723.93-10,350.14

Finding the Fourth Proportional to 13,563.20, 18,723.93 and 10,350.14

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Solution

The fourth proportional to 13,563.20, 18,723.93 and 10,350.14 is: 14,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.20 : 18,723.93 = 10,350.14 : x
  2. Step 2: Convert to fraction form
    13,563.20/18,723.93 = 10,350.14/x
  3. Step 3: Cross multiply
    13,563.20x = 18,723.93 × 10,350.14
  4. Step 4: Simplify right side
    13,563.20x = 193,795,164.42
  5. Step 5: Solve for x
    x = 193,795,164.42/13,563.20
  6. Step 6: Final answer
    x = 14,288.30

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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.