Home / 18,709.74-25,806.96-13,596.70

Finding the Fourth Proportional to 18,709.74, 25,806.96 and 13,596.70

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Solution

The fourth proportional to 18,709.74, 25,806.96 and 13,596.70 is: 18,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.74 : 25,806.96 = 13,596.70 : x
  2. Step 2: Convert to fraction form
    18,709.74/25,806.96 = 13,596.70/x
  3. Step 3: Cross multiply
    18,709.74x = 25,806.96 × 13,596.70
  4. Step 4: Simplify right side
    18,709.74x = 350,889,493.03
  5. Step 5: Solve for x
    x = 350,889,493.03/18,709.74
  6. Step 6: Final answer
    x = 18,754.38

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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.