Home / 15,682.01-21,635.87-8,962.83

Finding the Fourth Proportional to 15,682.01, 21,635.87 and 8,962.83

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Solution

The fourth proportional to 15,682.01, 21,635.87 and 8,962.83 is: 12,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.01 : 21,635.87 = 8,962.83 : x
  2. Step 2: Convert to fraction form
    15,682.01/21,635.87 = 8,962.83/x
  3. Step 3: Cross multiply
    15,682.01x = 21,635.87 × 8,962.83
  4. Step 4: Simplify right side
    15,682.01x = 193,918,579.90
  5. Step 5: Solve for x
    x = 193,918,579.90/15,682.01
  6. Step 6: Final answer
    x = 12,365.68

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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.