Home / 27,133.74-40,701.96-8,426.52

Finding the Fourth Proportional to 27,133.74, 40,701.96 and 8,426.52

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Solution

The fourth proportional to 27,133.74, 40,701.96 and 8,426.52 is: 12,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.74 : 40,701.96 = 8,426.52 : x
  2. Step 2: Convert to fraction form
    27,133.74/40,701.96 = 8,426.52/x
  3. Step 3: Cross multiply
    27,133.74x = 40,701.96 × 8,426.52
  4. Step 4: Simplify right side
    27,133.74x = 342,975,879.98
  5. Step 5: Solve for x
    x = 342,975,879.98/27,133.74
  6. Step 6: Final answer
    x = 12,640.20

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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.