Home / 23,579.21-32,539.83-12,969.38

Finding the Fourth Proportional to 23,579.21, 32,539.83 and 12,969.38

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Solution

The fourth proportional to 23,579.21, 32,539.83 and 12,969.38 is: 17,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.21 : 32,539.83 = 12,969.38 : x
  2. Step 2: Convert to fraction form
    23,579.21/32,539.83 = 12,969.38/x
  3. Step 3: Cross multiply
    23,579.21x = 32,539.83 × 12,969.38
  4. Step 4: Simplify right side
    23,579.21x = 422,021,420.41
  5. Step 5: Solve for x
    x = 422,021,420.41/23,579.21
  6. Step 6: Final answer
    x = 17,898.03

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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.