Home / 18,773.48-28,161.16-5,624.60

Finding the Fourth Proportional to 18,773.48, 28,161.16 and 5,624.60

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Solution

The fourth proportional to 18,773.48, 28,161.16 and 5,624.60 is: 8,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.48 : 28,161.16 = 5,624.60 : x
  2. Step 2: Convert to fraction form
    18,773.48/28,161.16 = 5,624.60/x
  3. Step 3: Cross multiply
    18,773.48x = 28,161.16 × 5,624.60
  4. Step 4: Simplify right side
    18,773.48x = 158,395,260.54
  5. Step 5: Solve for x
    x = 158,395,260.54/18,773.48
  6. Step 6: Final answer
    x = 8,437.18

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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.