Home / 55,674.30-83,511.45-14,121.30

Finding the Fourth Proportional to 55,674.30, 83,511.45 and 14,121.30

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Solution

The fourth proportional to 55,674.30, 83,511.45 and 14,121.30 is: 21,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,674.30 : 83,511.45 = 14,121.30 : x
  2. Step 2: Convert to fraction form
    55,674.30/83,511.45 = 14,121.30/x
  3. Step 3: Cross multiply
    55,674.30x = 83,511.45 × 14,121.30
  4. Step 4: Simplify right side
    55,674.30x = 1,179,290,238.89
  5. Step 5: Solve for x
    x = 1,179,290,238.89/55,674.30
  6. Step 6: Final answer
    x = 21,181.95

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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.