Home / 14,180.96-21,243.74-10,425.82

Finding the Fourth Proportional to 14,180.96, 21,243.74 and 10,425.82

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Solution

The fourth proportional to 14,180.96, 21,243.74 and 10,425.82 is: 15,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.96 : 21,243.74 = 10,425.82 : x
  2. Step 2: Convert to fraction form
    14,180.96/21,243.74 = 10,425.82/x
  3. Step 3: Cross multiply
    14,180.96x = 21,243.74 × 10,425.82
  4. Step 4: Simplify right side
    14,180.96x = 221,483,409.37
  5. Step 5: Solve for x
    x = 221,483,409.37/14,180.96
  6. Step 6: Final answer
    x = 15,618.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.