Home / 18,722.55-25,837.09-10,224.75

Finding the Fourth Proportional to 18,722.55, 25,837.09 and 10,224.75

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Solution

The fourth proportional to 18,722.55, 25,837.09 and 10,224.75 is: 14,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.55 : 25,837.09 = 10,224.75 : x
  2. Step 2: Convert to fraction form
    18,722.55/25,837.09 = 10,224.75/x
  3. Step 3: Cross multiply
    18,722.55x = 25,837.09 × 10,224.75
  4. Step 4: Simplify right side
    18,722.55x = 264,177,785.98
  5. Step 5: Solve for x
    x = 264,177,785.98/18,722.55
  6. Step 6: Final answer
    x = 14,110.14

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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.