Home / 18,601.06-27,905.70-6,120.58

Finding the Fourth Proportional to 18,601.06, 27,905.70 and 6,120.58

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Solution

The fourth proportional to 18,601.06, 27,905.70 and 6,120.58 is: 9,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.06 : 27,905.70 = 6,120.58 : x
  2. Step 2: Convert to fraction form
    18,601.06/27,905.70 = 6,120.58/x
  3. Step 3: Cross multiply
    18,601.06x = 27,905.70 × 6,120.58
  4. Step 4: Simplify right side
    18,601.06x = 170,799,069.31
  5. Step 5: Solve for x
    x = 170,799,069.31/18,601.06
  6. Step 6: Final answer
    x = 9,182.22

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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.