Home / 18,616.24-25,690.61-10,118.37

Finding the Fourth Proportional to 18,616.24, 25,690.61 and 10,118.37

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Solution

The fourth proportional to 18,616.24, 25,690.61 and 10,118.37 is: 13,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.24 : 25,690.61 = 10,118.37 : x
  2. Step 2: Convert to fraction form
    18,616.24/25,690.61 = 10,118.37/x
  3. Step 3: Cross multiply
    18,616.24x = 25,690.61 × 10,118.37
  4. Step 4: Simplify right side
    18,616.24x = 259,946,994.35
  5. Step 5: Solve for x
    x = 259,946,994.35/18,616.24
  6. Step 6: Final answer
    x = 13,963.45

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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.