Home / 18,670.36-25,764.99-10,172.46

Finding the Fourth Proportional to 18,670.36, 25,764.99 and 10,172.46

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Solution

The fourth proportional to 18,670.36, 25,764.99 and 10,172.46 is: 14,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.36 : 25,764.99 = 10,172.46 : x
  2. Step 2: Convert to fraction form
    18,670.36/25,764.99 = 10,172.46/x
  3. Step 3: Cross multiply
    18,670.36x = 25,764.99 × 10,172.46
  4. Step 4: Simplify right side
    18,670.36x = 262,093,330.18
  5. Step 5: Solve for x
    x = 262,093,330.18/18,670.36
  6. Step 6: Final answer
    x = 14,037.94

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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.