Home / 13,922.16-20,883.30-3,533.91

Finding the Fourth Proportional to 13,922.16, 20,883.30 and 3,533.91

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Solution

The fourth proportional to 13,922.16, 20,883.30 and 3,533.91 is: 5,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.16 : 20,883.30 = 3,533.91 : x
  2. Step 2: Convert to fraction form
    13,922.16/20,883.30 = 3,533.91/x
  3. Step 3: Cross multiply
    13,922.16x = 20,883.30 × 3,533.91
  4. Step 4: Simplify right side
    13,922.16x = 73,799,702.70
  5. Step 5: Solve for x
    x = 73,799,702.70/13,922.16
  6. Step 6: Final answer
    x = 5,300.88

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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.