Home / 23,396.81-32,287.53-12,786.45

Finding the Fourth Proportional to 23,396.81, 32,287.53 and 12,786.45

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Solution

The fourth proportional to 23,396.81, 32,287.53 and 12,786.45 is: 17,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.81 : 32,287.53 = 12,786.45 : x
  2. Step 2: Convert to fraction form
    23,396.81/32,287.53 = 12,786.45/x
  3. Step 3: Cross multiply
    23,396.81x = 32,287.53 × 12,786.45
  4. Step 4: Simplify right side
    23,396.81x = 412,842,887.97
  5. Step 5: Solve for x
    x = 412,842,887.97/23,396.81
  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.