Home / 14,268.24-21,387.60-4,905.36

Finding the Fourth Proportional to 14,268.24, 21,387.60 and 4,905.36

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Solution

The fourth proportional to 14,268.24, 21,387.60 and 4,905.36 is: 7,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.24 : 21,387.60 = 4,905.36 : x
  2. Step 2: Convert to fraction form
    14,268.24/21,387.60 = 4,905.36/x
  3. Step 3: Cross multiply
    14,268.24x = 21,387.60 × 4,905.36
  4. Step 4: Simplify right side
    14,268.24x = 104,913,877.54
  5. Step 5: Solve for x
    x = 104,913,877.54/14,268.24
  6. Step 6: Final answer
    x = 7,352.97

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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.