Home / 14,682.08-20,262.36-8,394.80

Finding the Fourth Proportional to 14,682.08, 20,262.36 and 8,394.80

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Solution

The fourth proportional to 14,682.08, 20,262.36 and 8,394.80 is: 11,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.08 : 20,262.36 = 8,394.80 : x
  2. Step 2: Convert to fraction form
    14,682.08/20,262.36 = 8,394.80/x
  3. Step 3: Cross multiply
    14,682.08x = 20,262.36 × 8,394.80
  4. Step 4: Simplify right side
    14,682.08x = 170,098,459.73
  5. Step 5: Solve for x
    x = 170,098,459.73/14,682.08
  6. Step 6: Final answer
    x = 11,585.45

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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.