Home / 18,672.26-25,767.59-10,288.76

Finding the Fourth Proportional to 18,672.26, 25,767.59 and 10,288.76

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Solution

The fourth proportional to 18,672.26, 25,767.59 and 10,288.76 is: 14,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.26 : 25,767.59 = 10,288.76 : x
  2. Step 2: Convert to fraction form
    18,672.26/25,767.59 = 10,288.76/x
  3. Step 3: Cross multiply
    18,672.26x = 25,767.59 × 10,288.76
  4. Step 4: Simplify right side
    18,672.26x = 265,116,369.01
  5. Step 5: Solve for x
    x = 265,116,369.01/18,672.26
  6. Step 6: Final answer
    x = 14,198.41

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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.