Home / 18,247.52-27,368.92-5,768.81

Finding the Fourth Proportional to 18,247.52, 27,368.92 and 5,768.81

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Solution

The fourth proportional to 18,247.52, 27,368.92 and 5,768.81 is: 8,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.52 : 27,368.92 = 5,768.81 : x
  2. Step 2: Convert to fraction form
    18,247.52/27,368.92 = 5,768.81/x
  3. Step 3: Cross multiply
    18,247.52x = 27,368.92 × 5,768.81
  4. Step 4: Simplify right side
    18,247.52x = 157,886,072.39
  5. Step 5: Solve for x
    x = 157,886,072.39/18,247.52
  6. Step 6: Final answer
    x = 8,652.47

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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.