Home / 18,126.50-25,014.94-10,169.24

Finding the Fourth Proportional to 18,126.50, 25,014.94 and 10,169.24

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Solution

The fourth proportional to 18,126.50, 25,014.94 and 10,169.24 is: 14,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.50 : 25,014.94 = 10,169.24 : x
  2. Step 2: Convert to fraction form
    18,126.50/25,014.94 = 10,169.24/x
  3. Step 3: Cross multiply
    18,126.50x = 25,014.94 × 10,169.24
  4. Step 4: Simplify right side
    18,126.50x = 254,382,928.45
  5. Step 5: Solve for x
    x = 254,382,928.45/18,126.50
  6. Step 6: Final answer
    x = 14,033.76

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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.