Home / 27,325.66-40,974.38-12,521.89

Finding the Fourth Proportional to 27,325.66, 40,974.38 and 12,521.89

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Solution

The fourth proportional to 27,325.66, 40,974.38 and 12,521.89 is: 18,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.66 : 40,974.38 = 12,521.89 : x
  2. Step 2: Convert to fraction form
    27,325.66/40,974.38 = 12,521.89/x
  3. Step 3: Cross multiply
    27,325.66x = 40,974.38 × 12,521.89
  4. Step 4: Simplify right side
    27,325.66x = 513,076,679.18
  5. Step 5: Solve for x
    x = 513,076,679.18/27,325.66
  6. Step 6: Final answer
    x = 18,776.37

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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.