Home / 14,434.45-21,629.76-10,719.25

Finding the Fourth Proportional to 14,434.45, 21,629.76 and 10,719.25

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Solution

The fourth proportional to 14,434.45, 21,629.76 and 10,719.25 is: 16,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.45 : 21,629.76 = 10,719.25 : x
  2. Step 2: Convert to fraction form
    14,434.45/21,629.76 = 10,719.25/x
  3. Step 3: Cross multiply
    14,434.45x = 21,629.76 × 10,719.25
  4. Step 4: Simplify right side
    14,434.45x = 231,854,804.88
  5. Step 5: Solve for x
    x = 231,854,804.88/14,434.45
  6. Step 6: Final answer
    x = 16,062.60

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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.