Home / 13,679.33-20,528.37-9,001.58

Finding the Fourth Proportional to 13,679.33, 20,528.37 and 9,001.58

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Solution

The fourth proportional to 13,679.33, 20,528.37 and 9,001.58 is: 13,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679.33 : 20,528.37 = 9,001.58 : x
  2. Step 2: Convert to fraction form
    13,679.33/20,528.37 = 9,001.58/x
  3. Step 3: Cross multiply
    13,679.33x = 20,528.37 × 9,001.58
  4. Step 4: Simplify right side
    13,679.33x = 184,787,662.18
  5. Step 5: Solve for x
    x = 184,787,662.18/13,679.33
  6. Step 6: Final answer
    x = 13,508.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.