Home / 18,022.48-27,033.64-4,874.81

Finding the Fourth Proportional to 18,022.48, 27,033.64 and 4,874.81

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Solution

The fourth proportional to 18,022.48, 27,033.64 and 4,874.81 is: 7,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.48 : 27,033.64 = 4,874.81 : x
  2. Step 2: Convert to fraction form
    18,022.48/27,033.64 = 4,874.81/x
  3. Step 3: Cross multiply
    18,022.48x = 27,033.64 × 4,874.81
  4. Step 4: Simplify right side
    18,022.48x = 131,783,711.25
  5. Step 5: Solve for x
    x = 131,783,711.25/18,022.48
  6. Step 6: Final answer
    x = 7,312.19

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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.