Home / 12,025.74-18,040.59-3,705.76

Finding the Fourth Proportional to 12,025.74, 18,040.59 and 3,705.76

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Solution

The fourth proportional to 12,025.74, 18,040.59 and 3,705.76 is: 5,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.74 : 18,040.59 = 3,705.76 : x
  2. Step 2: Convert to fraction form
    12,025.74/18,040.59 = 3,705.76/x
  3. Step 3: Cross multiply
    12,025.74x = 18,040.59 × 3,705.76
  4. Step 4: Simplify right side
    12,025.74x = 66,854,119.35
  5. Step 5: Solve for x
    x = 66,854,119.35/12,025.74
  6. Step 6: Final answer
    x = 5,559.25

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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.