Home / 18,816.75-25,967.16-10,433.25

Finding the Fourth Proportional to 18,816.75, 25,967.16 and 10,433.25

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Solution

The fourth proportional to 18,816.75, 25,967.16 and 10,433.25 is: 14,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.75 : 25,967.16 = 10,433.25 : x
  2. Step 2: Convert to fraction form
    18,816.75/25,967.16 = 10,433.25/x
  3. Step 3: Cross multiply
    18,816.75x = 25,967.16 × 10,433.25
  4. Step 4: Simplify right side
    18,816.75x = 270,921,872.07
  5. Step 5: Solve for x
    x = 270,921,872.07/18,816.75
  6. Step 6: Final answer
    x = 14,397.91

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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.