Home / 45,182.15-67,773.91-11,905.58

Finding the Fourth Proportional to 45,182.15, 67,773.91 and 11,905.58

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Solution

The fourth proportional to 45,182.15, 67,773.91 and 11,905.58 is: 17,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.15 : 67,773.91 = 11,905.58 : x
  2. Step 2: Convert to fraction form
    45,182.15/67,773.91 = 11,905.58/x
  3. Step 3: Cross multiply
    45,182.15x = 67,773.91 × 11,905.58
  4. Step 4: Simplify right side
    45,182.15x = 806,887,309.02
  5. Step 5: Solve for x
    x = 806,887,309.02/45,182.15
  6. Step 6: Final answer
    x = 17,858.54

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1.5x scale

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.