Home / 26,521.94-39,729.62-12,270.44

Finding the Fourth Proportional to 26,521.94, 39,729.62 and 12,270.44

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Solution

The fourth proportional to 26,521.94, 39,729.62 and 12,270.44 is: 18,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.94 : 39,729.62 = 12,270.44 : x
  2. Step 2: Convert to fraction form
    26,521.94/39,729.62 = 12,270.44/x
  3. Step 3: Cross multiply
    26,521.94x = 39,729.62 × 12,270.44
  4. Step 4: Simplify right side
    26,521.94x = 487,499,658.43
  5. Step 5: Solve for x
    x = 487,499,658.43/26,521.94
  6. Step 6: Final answer
    x = 18,381.00

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1.5x scale

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.