Home / 12,342.44-18,513.61-3,577.34

Finding the Fourth Proportional to 12,342.44, 18,513.61 and 3,577.34

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Solution

The fourth proportional to 12,342.44, 18,513.61 and 3,577.34 is: 5,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.44 : 18,513.61 = 3,577.34 : x
  2. Step 2: Convert to fraction form
    12,342.44/18,513.61 = 3,577.34/x
  3. Step 3: Cross multiply
    12,342.44x = 18,513.61 × 3,577.34
  4. Step 4: Simplify right side
    12,342.44x = 66,229,477.60
  5. Step 5: Solve for x
    x = 66,229,477.60/12,342.44
  6. Step 6: Final answer
    x = 5,366.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.