Home / 14,682.28-20,261.19-8,394.25

Finding the Fourth Proportional to 14,682.28, 20,261.19 and 8,394.25

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Solution

The fourth proportional to 14,682.28, 20,261.19 and 8,394.25 is: 11,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.28 : 20,261.19 = 8,394.25 : x
  2. Step 2: Convert to fraction form
    14,682.28/20,261.19 = 8,394.25/x
  3. Step 3: Cross multiply
    14,682.28x = 20,261.19 × 8,394.25
  4. Step 4: Simplify right side
    14,682.28x = 170,077,494.16
  5. Step 5: Solve for x
    x = 170,077,494.16/14,682.28
  6. Step 6: Final answer
    x = 11,583.86

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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.