Home / 20,118.52-30,166.02-6,074.35

Finding the Fourth Proportional to 20,118.52, 30,166.02 and 6,074.35

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Solution

The fourth proportional to 20,118.52, 30,166.02 and 6,074.35 is: 9,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.52 : 30,166.02 = 6,074.35 : x
  2. Step 2: Convert to fraction form
    20,118.52/30,166.02 = 6,074.35/x
  3. Step 3: Cross multiply
    20,118.52x = 30,166.02 × 6,074.35
  4. Step 4: Simplify right side
    20,118.52x = 183,238,963.59
  5. Step 5: Solve for x
    x = 183,238,963.59/20,118.52
  6. Step 6: Final answer
    x = 9,107.97

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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.