Home / 36,904.32-55,357.34-13,213.49

Finding the Fourth Proportional to 36,904.32, 55,357.34 and 13,213.49

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Solution

The fourth proportional to 36,904.32, 55,357.34 and 13,213.49 is: 19,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,904.32 : 55,357.34 = 13,213.49 : x
  2. Step 2: Convert to fraction form
    36,904.32/55,357.34 = 13,213.49/x
  3. Step 3: Cross multiply
    36,904.32x = 55,357.34 × 13,213.49
  4. Step 4: Simplify right side
    36,904.32x = 731,463,315.66
  5. Step 5: Solve for x
    x = 731,463,315.66/36,904.32
  6. Step 6: Final answer
    x = 19,820.53

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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.