Home / 18,683.59-28,027.44-9,325.96

Finding the Fourth Proportional to 18,683.59, 28,027.44 and 9,325.96

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Solution

The fourth proportional to 18,683.59, 28,027.44 and 9,325.96 is: 13,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.59 : 28,027.44 = 9,325.96 : x
  2. Step 2: Convert to fraction form
    18,683.59/28,027.44 = 9,325.96/x
  3. Step 3: Cross multiply
    18,683.59x = 28,027.44 × 9,325.96
  4. Step 4: Simplify right side
    18,683.59x = 261,382,597.58
  5. Step 5: Solve for x
    x = 261,382,597.58/18,683.59
  6. Step 6: Final answer
    x = 13,989.96

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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.