Home / 14,682.31-20,261.60-8,308.77

Finding the Fourth Proportional to 14,682.31, 20,261.60 and 8,308.77

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Solution

The fourth proportional to 14,682.31, 20,261.60 and 8,308.77 is: 11,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.31 : 20,261.60 = 8,308.77 : x
  2. Step 2: Convert to fraction form
    14,682.31/20,261.60 = 8,308.77/x
  3. Step 3: Cross multiply
    14,682.31x = 20,261.60 × 8,308.77
  4. Step 4: Simplify right side
    14,682.31x = 168,348,974.23
  5. Step 5: Solve for x
    x = 168,348,974.23/14,682.31
  6. Step 6: Final answer
    x = 11,466.11

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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.