Home / 22,271.56-30,721.58-12,833.44

Finding the Fourth Proportional to 22,271.56, 30,721.58 and 12,833.44

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Solution

The fourth proportional to 22,271.56, 30,721.58 and 12,833.44 is: 17,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.56 : 30,721.58 = 12,833.44 : x
  2. Step 2: Convert to fraction form
    22,271.56/30,721.58 = 12,833.44/x
  3. Step 3: Cross multiply
    22,271.56x = 30,721.58 × 12,833.44
  4. Step 4: Simplify right side
    22,271.56x = 394,263,460.79
  5. Step 5: Solve for x
    x = 394,263,460.79/22,271.56
  6. Step 6: Final answer
    x = 17,702.55

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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.