Home / 14,680.97-20,258.37-8,308.14

Finding the Fourth Proportional to 14,680.97, 20,258.37 and 8,308.14

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Solution

The fourth proportional to 14,680.97, 20,258.37 and 8,308.14 is: 11,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.97 : 20,258.37 = 8,308.14 : x
  2. Step 2: Convert to fraction form
    14,680.97/20,258.37 = 8,308.14/x
  3. Step 3: Cross multiply
    14,680.97x = 20,258.37 × 8,308.14
  4. Step 4: Simplify right side
    14,680.97x = 168,309,374.13
  5. Step 5: Solve for x
    x = 168,309,374.13/14,680.97
  6. Step 6: Final answer
    x = 11,464.46

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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.