Home / 18,670.44-25,764.28-10,172.52

Finding the Fourth Proportional to 18,670.44, 25,764.28 and 10,172.52

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Solution

The fourth proportional to 18,670.44, 25,764.28 and 10,172.52 is: 14,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.44 : 25,764.28 = 10,172.52 : x
  2. Step 2: Convert to fraction form
    18,670.44/25,764.28 = 10,172.52/x
  3. Step 3: Cross multiply
    18,670.44x = 25,764.28 × 10,172.52
  4. Step 4: Simplify right side
    18,670.44x = 262,087,653.59
  5. Step 5: Solve for x
    x = 262,087,653.59/18,670.44
  6. Step 6: Final answer
    x = 14,037.57

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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.