Home / 27,223.53-40,840.11-12,433.95

Finding the Fourth Proportional to 27,223.53, 40,840.11 and 12,433.95

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Solution

The fourth proportional to 27,223.53, 40,840.11 and 12,433.95 is: 18,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.53 : 40,840.11 = 12,433.95 : x
  2. Step 2: Convert to fraction form
    27,223.53/40,840.11 = 12,433.95/x
  3. Step 3: Cross multiply
    27,223.53x = 40,840.11 × 12,433.95
  4. Step 4: Simplify right side
    27,223.53x = 507,803,885.73
  5. Step 5: Solve for x
    x = 507,803,885.73/27,223.53
  6. Step 6: Final answer
    x = 18,653.12

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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.