Home / 27,440.15-41,162.96-12,653.30

Finding the Fourth Proportional to 27,440.15, 41,162.96 and 12,653.30

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Solution

The fourth proportional to 27,440.15, 41,162.96 and 12,653.30 is: 18,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.15 : 41,162.96 = 12,653.30 : x
  2. Step 2: Convert to fraction form
    27,440.15/41,162.96 = 12,653.30/x
  3. Step 3: Cross multiply
    27,440.15x = 41,162.96 × 12,653.30
  4. Step 4: Simplify right side
    27,440.15x = 520,847,012.69
  5. Step 5: Solve for x
    x = 520,847,012.69/27,440.15
  6. Step 6: Final answer
    x = 18,981.20

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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.