Home / 14,030.31-21,046.61-4,169.60

Finding the Fourth Proportional to 14,030.31, 21,046.61 and 4,169.60

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Solution

The fourth proportional to 14,030.31, 21,046.61 and 4,169.60 is: 6,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.31 : 21,046.61 = 4,169.60 : x
  2. Step 2: Convert to fraction form
    14,030.31/21,046.61 = 4,169.60/x
  3. Step 3: Cross multiply
    14,030.31x = 21,046.61 × 4,169.60
  4. Step 4: Simplify right side
    14,030.31x = 87,755,976.64
  5. Step 5: Solve for x
    x = 87,755,976.64/14,030.31
  6. Step 6: Final answer
    x = 6,254.74

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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.