Home / 18,589.56-25,653.69-10,091.70

Finding the Fourth Proportional to 18,589.56, 25,653.69 and 10,091.70

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Solution

The fourth proportional to 18,589.56, 25,653.69 and 10,091.70 is: 13,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.56 : 25,653.69 = 10,091.70 : x
  2. Step 2: Convert to fraction form
    18,589.56/25,653.69 = 10,091.70/x
  3. Step 3: Cross multiply
    18,589.56x = 25,653.69 × 10,091.70
  4. Step 4: Simplify right side
    18,589.56x = 258,889,343.37
  5. Step 5: Solve for x
    x = 258,889,343.37/18,589.56
  6. Step 6: Final answer
    x = 13,926.60

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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.