Home / 18,416.96-25,418.46-10,865.14

Finding the Fourth Proportional to 18,416.96, 25,418.46 and 10,865.14

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Solution

The fourth proportional to 18,416.96, 25,418.46 and 10,865.14 is: 14,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.96 : 25,418.46 = 10,865.14 : x
  2. Step 2: Convert to fraction form
    18,416.96/25,418.46 = 10,865.14/x
  3. Step 3: Cross multiply
    18,416.96x = 25,418.46 × 10,865.14
  4. Step 4: Simplify right side
    18,416.96x = 276,175,083.50
  5. Step 5: Solve for x
    x = 276,175,083.50/18,416.96
  6. Step 6: Final answer
    x = 14,995.69

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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.