Home / 36,712.04-55,071.70-11,745.81

Finding the Fourth Proportional to 36,712.04, 55,071.70 and 11,745.81

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Solution

The fourth proportional to 36,712.04, 55,071.70 and 11,745.81 is: 17,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,712.04 : 55,071.70 = 11,745.81 : x
  2. Step 2: Convert to fraction form
    36,712.04/55,071.70 = 11,745.81/x
  3. Step 3: Cross multiply
    36,712.04x = 55,071.70 × 11,745.81
  4. Step 4: Simplify right side
    36,712.04x = 646,861,695.21
  5. Step 5: Solve for x
    x = 646,861,695.21/36,712.04
  6. Step 6: Final answer
    x = 17,619.88

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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.