Home / 12,025.34-18,039.98-3,705.36

Finding the Fourth Proportional to 12,025.34, 18,039.98 and 3,705.36

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Solution

The fourth proportional to 12,025.34, 18,039.98 and 3,705.36 is: 5,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.34 : 18,039.98 = 3,705.36 : x
  2. Step 2: Convert to fraction form
    12,025.34/18,039.98 = 3,705.36/x
  3. Step 3: Cross multiply
    12,025.34x = 18,039.98 × 3,705.36
  4. Step 4: Simplify right side
    12,025.34x = 66,844,620.29
  5. Step 5: Solve for x
    x = 66,844,620.29/12,025.34
  6. Step 6: Final answer
    x = 5,558.65

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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.