Home / 23,289.36-32,138.19-13,217.60

Finding the Fourth Proportional to 23,289.36, 32,138.19 and 13,217.60

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Solution

The fourth proportional to 23,289.36, 32,138.19 and 13,217.60 is: 18,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.36 : 32,138.19 = 13,217.60 : x
  2. Step 2: Convert to fraction form
    23,289.36/32,138.19 = 13,217.60/x
  3. Step 3: Cross multiply
    23,289.36x = 32,138.19 × 13,217.60
  4. Step 4: Simplify right side
    23,289.36x = 424,789,579.45
  5. Step 5: Solve for x
    x = 424,789,579.45/23,289.36
  6. Step 6: Final answer
    x = 18,239.64

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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.