Home / 14,435.41-21,655.38-6,115.48

Finding the Fourth Proportional to 14,435.41, 21,655.38 and 6,115.48

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Solution

The fourth proportional to 14,435.41, 21,655.38 and 6,115.48 is: 9,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.41 : 21,655.38 = 6,115.48 : x
  2. Step 2: Convert to fraction form
    14,435.41/21,655.38 = 6,115.48/x
  3. Step 3: Cross multiply
    14,435.41x = 21,655.38 × 6,115.48
  4. Step 4: Simplify right side
    14,435.41x = 132,433,043.28
  5. Step 5: Solve for x
    x = 132,433,043.28/14,435.41
  6. Step 6: Final answer
    x = 9,174.18

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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.