Home / 29,474.25-40,662.43-18,140.32

Finding the Fourth Proportional to 29,474.25, 40,662.43 and 18,140.32

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Solution

The fourth proportional to 29,474.25, 40,662.43 and 18,140.32 is: 25,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,474.25 : 40,662.43 = 18,140.32 : x
  2. Step 2: Convert to fraction form
    29,474.25/40,662.43 = 18,140.32/x
  3. Step 3: Cross multiply
    29,474.25x = 40,662.43 × 18,140.32
  4. Step 4: Simplify right side
    29,474.25x = 737,629,492.18
  5. Step 5: Solve for x
    x = 737,629,492.18/29,474.25
  6. Step 6: Final answer
    x = 25,026.23

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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.