Home / 27,213.17-40,832.30-12,426.62

Finding the Fourth Proportional to 27,213.17, 40,832.30 and 12,426.62

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Solution

The fourth proportional to 27,213.17, 40,832.30 and 12,426.62 is: 18,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.17 : 40,832.30 = 12,426.62 : x
  2. Step 2: Convert to fraction form
    27,213.17/40,832.30 = 12,426.62/x
  3. Step 3: Cross multiply
    27,213.17x = 40,832.30 × 12,426.62
  4. Step 4: Simplify right side
    27,213.17x = 507,407,209.53
  5. Step 5: Solve for x
    x = 507,407,209.53/27,213.17
  6. Step 6: Final answer
    x = 18,645.65

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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.