Home / 22,526.98-31,086.74-12,455.85

Finding the Fourth Proportional to 22,526.98, 31,086.74 and 12,455.85

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Solution

The fourth proportional to 22,526.98, 31,086.74 and 12,455.85 is: 17,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,526.98 : 31,086.74 = 12,455.85 : x
  2. Step 2: Convert to fraction form
    22,526.98/31,086.74 = 12,455.85/x
  3. Step 3: Cross multiply
    22,526.98x = 31,086.74 × 12,455.85
  4. Step 4: Simplify right side
    22,526.98x = 387,211,770.43
  5. Step 5: Solve for x
    x = 387,211,770.43/22,526.98
  6. Step 6: Final answer
    x = 17,188.80

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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.