Home / 18,002.40-27,003.44-4,853.68

Finding the Fourth Proportional to 18,002.40, 27,003.44 and 4,853.68

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Solution

The fourth proportional to 18,002.40, 27,003.44 and 4,853.68 is: 7,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.40 : 27,003.44 = 4,853.68 : x
  2. Step 2: Convert to fraction form
    18,002.40/27,003.44 = 4,853.68/x
  3. Step 3: Cross multiply
    18,002.40x = 27,003.44 × 4,853.68
  4. Step 4: Simplify right side
    18,002.40x = 131,066,056.66
  5. Step 5: Solve for x
    x = 131,066,056.66/18,002.40
  6. Step 6: Final answer
    x = 7,280.48

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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.