Home / 23,579.46-32,540.49-12,969.90

Finding the Fourth Proportional to 23,579.46, 32,540.49 and 12,969.90

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Solution

The fourth proportional to 23,579.46, 32,540.49 and 12,969.90 is: 17,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.46 : 32,540.49 = 12,969.90 : x
  2. Step 2: Convert to fraction form
    23,579.46/32,540.49 = 12,969.90/x
  3. Step 3: Cross multiply
    23,579.46x = 32,540.49 × 12,969.90
  4. Step 4: Simplify right side
    23,579.46x = 422,046,901.25
  5. Step 5: Solve for x
    x = 422,046,901.25/23,579.46
  6. Step 6: Final answer
    x = 17,898.92

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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.