Home / 22,601.27-31,188.85-12,392.09

Finding the Fourth Proportional to 22,601.27, 31,188.85 and 12,392.09

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Solution

The fourth proportional to 22,601.27, 31,188.85 and 12,392.09 is: 17,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.27 : 31,188.85 = 12,392.09 : x
  2. Step 2: Convert to fraction form
    22,601.27/31,188.85 = 12,392.09/x
  3. Step 3: Cross multiply
    22,601.27x = 31,188.85 × 12,392.09
  4. Step 4: Simplify right side
    22,601.27x = 386,494,818.29
  5. Step 5: Solve for x
    x = 386,494,818.29/22,601.27
  6. Step 6: Final answer
    x = 17,100.58

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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.