Home / 14,276.72-21,417.96-5,042.48

Finding the Fourth Proportional to 14,276.72, 21,417.96 and 5,042.48

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Solution

The fourth proportional to 14,276.72, 21,417.96 and 5,042.48 is: 7,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.72 : 21,417.96 = 5,042.48 : x
  2. Step 2: Convert to fraction form
    14,276.72/21,417.96 = 5,042.48/x
  3. Step 3: Cross multiply
    14,276.72x = 21,417.96 × 5,042.48
  4. Step 4: Simplify right side
    14,276.72x = 107,999,634.94
  5. Step 5: Solve for x
    x = 107,999,634.94/14,276.72
  6. Step 6: Final answer
    x = 7,564.74

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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.