Home / 18,962.25-28,443.27-4,922.27

Finding the Fourth Proportional to 18,962.25, 28,443.27 and 4,922.27

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Solution

The fourth proportional to 18,962.25, 28,443.27 and 4,922.27 is: 7,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.25 : 28,443.27 = 4,922.27 : x
  2. Step 2: Convert to fraction form
    18,962.25/28,443.27 = 4,922.27/x
  3. Step 3: Cross multiply
    18,962.25x = 28,443.27 × 4,922.27
  4. Step 4: Simplify right side
    18,962.25x = 140,005,312.41
  5. Step 5: Solve for x
    x = 140,005,312.41/18,962.25
  6. Step 6: Final answer
    x = 7,383.37

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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.