Home / 23,578.21-32,538.45-12,968.38

Finding the Fourth Proportional to 23,578.21, 32,538.45 and 12,968.38

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Solution

The fourth proportional to 23,578.21, 32,538.45 and 12,968.38 is: 17,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,578.21 : 32,538.45 = 12,968.38 : x
  2. Step 2: Convert to fraction form
    23,578.21/32,538.45 = 12,968.38/x
  3. Step 3: Cross multiply
    23,578.21x = 32,538.45 × 12,968.38
  4. Step 4: Simplify right side
    23,578.21x = 421,970,984.21
  5. Step 5: Solve for x
    x = 421,970,984.21/23,578.21
  6. Step 6: Final answer
    x = 17,896.65

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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.