Home / 36,494.14-54,755.69-13,122.40

Finding the Fourth Proportional to 36,494.14, 54,755.69 and 13,122.40

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Solution

The fourth proportional to 36,494.14, 54,755.69 and 13,122.40 is: 19,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,494.14 : 54,755.69 = 13,122.40 : x
  2. Step 2: Convert to fraction form
    36,494.14/54,755.69 = 13,122.40/x
  3. Step 3: Cross multiply
    36,494.14x = 54,755.69 × 13,122.40
  4. Step 4: Simplify right side
    36,494.14x = 718,526,066.46
  5. Step 5: Solve for x
    x = 718,526,066.46/36,494.14
  6. Step 6: Final answer
    x = 19,688.81

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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.