Home / 23,645.71-32,630.24-12,890.36

Finding the Fourth Proportional to 23,645.71, 32,630.24 and 12,890.36

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Solution

The fourth proportional to 23,645.71, 32,630.24 and 12,890.36 is: 17,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,645.71 : 32,630.24 = 12,890.36 : x
  2. Step 2: Convert to fraction form
    23,645.71/32,630.24 = 12,890.36/x
  3. Step 3: Cross multiply
    23,645.71x = 32,630.24 × 12,890.36
  4. Step 4: Simplify right side
    23,645.71x = 420,615,540.49
  5. Step 5: Solve for x
    x = 420,615,540.49/23,645.71
  6. Step 6: Final answer
    x = 17,788.24

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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.