Home / 14,091.80-19,446.62-8,124.60

Finding the Fourth Proportional to 14,091.80, 19,446.62 and 8,124.60

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Solution

The fourth proportional to 14,091.80, 19,446.62 and 8,124.60 is: 11,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.80 : 19,446.62 = 8,124.60 : x
  2. Step 2: Convert to fraction form
    14,091.80/19,446.62 = 8,124.60/x
  3. Step 3: Cross multiply
    14,091.80x = 19,446.62 × 8,124.60
  4. Step 4: Simplify right side
    14,091.80x = 157,996,008.85
  5. Step 5: Solve for x
    x = 157,996,008.85/14,091.80
  6. Step 6: Final answer
    x = 11,211.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.