Home / 18,616.36-25,690.66-10,233.40

Finding the Fourth Proportional to 18,616.36, 25,690.66 and 10,233.40

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Solution

The fourth proportional to 18,616.36, 25,690.66 and 10,233.40 is: 14,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.36 : 25,690.66 = 10,233.40 : x
  2. Step 2: Convert to fraction form
    18,616.36/25,690.66 = 10,233.40/x
  3. Step 3: Cross multiply
    18,616.36x = 25,690.66 × 10,233.40
  4. Step 4: Simplify right side
    18,616.36x = 262,902,800.04
  5. Step 5: Solve for x
    x = 262,902,800.04/18,616.36
  6. Step 6: Final answer
    x = 14,122.14

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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.