Home / 27,213.13-40,832.25-12,426.58

Finding the Fourth Proportional to 27,213.13, 40,832.25 and 12,426.58

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Solution

The fourth proportional to 27,213.13, 40,832.25 and 12,426.58 is: 18,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.13 : 40,832.25 = 12,426.58 : x
  2. Step 2: Convert to fraction form
    27,213.13/40,832.25 = 12,426.58/x
  3. Step 3: Cross multiply
    27,213.13x = 40,832.25 × 12,426.58
  4. Step 4: Simplify right side
    27,213.13x = 507,405,221.21
  5. Step 5: Solve for x
    x = 507,405,221.21/27,213.13
  6. Step 6: Final answer
    x = 18,645.60

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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.