Home / 23,396.79-32,287.62-12,786.40

Finding the Fourth Proportional to 23,396.79, 32,287.62 and 12,786.40

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Solution

The fourth proportional to 23,396.79, 32,287.62 and 12,786.40 is: 17,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.79 : 32,287.62 = 12,786.40 : x
  2. Step 2: Convert to fraction form
    23,396.79/32,287.62 = 12,786.40/x
  3. Step 3: Cross multiply
    23,396.79x = 32,287.62 × 12,786.40
  4. Step 4: Simplify right side
    23,396.79x = 412,842,424.37
  5. Step 5: Solve for x
    x = 412,842,424.37/23,396.79
  6. Step 6: Final answer
    x = 17,645.26

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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.