Home / 26,986.70-40,482.75-8,266.52

Finding the Fourth Proportional to 26,986.70, 40,482.75 and 8,266.52

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Solution

The fourth proportional to 26,986.70, 40,482.75 and 8,266.52 is: 12,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.70 : 40,482.75 = 8,266.52 : x
  2. Step 2: Convert to fraction form
    26,986.70/40,482.75 = 8,266.52/x
  3. Step 3: Cross multiply
    26,986.70x = 40,482.75 × 8,266.52
  4. Step 4: Simplify right side
    26,986.70x = 334,651,462.53
  5. Step 5: Solve for x
    x = 334,651,462.53/26,986.70
  6. Step 6: Final answer
    x = 12,400.61

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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.