Home / 36,064.12-54,090.72-12,685.09

Finding the Fourth Proportional to 36,064.12, 54,090.72 and 12,685.09

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Solution

The fourth proportional to 36,064.12, 54,090.72 and 12,685.09 is: 19,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.12 : 54,090.72 = 12,685.09 : x
  2. Step 2: Convert to fraction form
    36,064.12/54,090.72 = 12,685.09/x
  3. Step 3: Cross multiply
    36,064.12x = 54,090.72 × 12,685.09
  4. Step 4: Simplify right side
    36,064.12x = 686,145,651.36
  5. Step 5: Solve for x
    x = 686,145,651.36/36,064.12
  6. Step 6: Final answer
    x = 19,025.71

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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.