Home / 22,306.06-30,783.98-12,745.73

Finding the Fourth Proportional to 22,306.06, 30,783.98 and 12,745.73

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Solution

The fourth proportional to 22,306.06, 30,783.98 and 12,745.73 is: 17,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.06 : 30,783.98 = 12,745.73 : x
  2. Step 2: Convert to fraction form
    22,306.06/30,783.98 = 12,745.73/x
  3. Step 3: Cross multiply
    22,306.06x = 30,783.98 × 12,745.73
  4. Step 4: Simplify right side
    22,306.06x = 392,364,143.49
  5. Step 5: Solve for x
    x = 392,364,143.49/22,306.06
  6. Step 6: Final answer
    x = 17,590.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.