Home / 36,900.97-55,318.57-13,521.94

Finding the Fourth Proportional to 36,900.97, 55,318.57 and 13,521.94

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Solution

The fourth proportional to 36,900.97, 55,318.57 and 13,521.94 is: 20,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900.97 : 55,318.57 = 13,521.94 : x
  2. Step 2: Convert to fraction form
    36,900.97/55,318.57 = 13,521.94/x
  3. Step 3: Cross multiply
    36,900.97x = 55,318.57 × 13,521.94
  4. Step 4: Simplify right side
    36,900.97x = 748,014,384.43
  5. Step 5: Solve for x
    x = 748,014,384.43/36,900.97
  6. Step 6: Final answer
    x = 20,270.86

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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.