Home / 19,070.98-26,311.84-11,519.55

Finding the Fourth Proportional to 19,070.98, 26,311.84 and 11,519.55

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Solution

The fourth proportional to 19,070.98, 26,311.84 and 11,519.55 is: 15,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.98 : 26,311.84 = 11,519.55 : x
  2. Step 2: Convert to fraction form
    19,070.98/26,311.84 = 11,519.55/x
  3. Step 3: Cross multiply
    19,070.98x = 26,311.84 × 11,519.55
  4. Step 4: Simplify right side
    19,070.98x = 303,100,527.67
  5. Step 5: Solve for x
    x = 303,100,527.67/19,070.98
  6. Step 6: Final answer
    x = 15,893.29

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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.