Home / 12,448.83-18,673.50-3,683.76

Finding the Fourth Proportional to 12,448.83, 18,673.50 and 3,683.76

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Solution

The fourth proportional to 12,448.83, 18,673.50 and 3,683.76 is: 5,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.83 : 18,673.50 = 3,683.76 : x
  2. Step 2: Convert to fraction form
    12,448.83/18,673.50 = 3,683.76/x
  3. Step 3: Cross multiply
    12,448.83x = 18,673.50 × 3,683.76
  4. Step 4: Simplify right side
    12,448.83x = 68,788,692.36
  5. Step 5: Solve for x
    x = 68,788,692.36/12,448.83
  6. Step 6: Final answer
    x = 5,525.72

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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.