Home / 41,619.75-62,429.63-12,435.75

Finding the Fourth Proportional to 41,619.75, 62,429.63 and 12,435.75

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Solution

The fourth proportional to 41,619.75, 62,429.63 and 12,435.75 is: 18,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,619.75 : 62,429.63 = 12,435.75 : x
  2. Step 2: Convert to fraction form
    41,619.75/62,429.63 = 12,435.75/x
  3. Step 3: Cross multiply
    41,619.75x = 62,429.63 × 12,435.75
  4. Step 4: Simplify right side
    41,619.75x = 776,359,271.27
  5. Step 5: Solve for x
    x = 776,359,271.27/41,619.75
  6. Step 6: Final answer
    x = 18,653.63

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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.