Home / 22,157.60-33,236.40-9,683.60

Finding the Fourth Proportional to 22,157.60, 33,236.40 and 9,683.60

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Solution

The fourth proportional to 22,157.60, 33,236.40 and 9,683.60 is: 14,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.60 : 33,236.40 = 9,683.60 : x
  2. Step 2: Convert to fraction form
    22,157.60/33,236.40 = 9,683.60/x
  3. Step 3: Cross multiply
    22,157.60x = 33,236.40 × 9,683.60
  4. Step 4: Simplify right side
    22,157.60x = 321,848,003.04
  5. Step 5: Solve for x
    x = 321,848,003.04/22,157.60
  6. Step 6: Final answer
    x = 14,525.40

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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.