Home / 12,722.22-19,060.44-11,971.93

Finding the Fourth Proportional to 12,722.22, 19,060.44 and 11,971.93

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Solution

The fourth proportional to 12,722.22, 19,060.44 and 11,971.93 is: 17,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.22 : 19,060.44 = 11,971.93 : x
  2. Step 2: Convert to fraction form
    12,722.22/19,060.44 = 11,971.93/x
  3. Step 3: Cross multiply
    12,722.22x = 19,060.44 × 11,971.93
  4. Step 4: Simplify right side
    12,722.22x = 228,190,253.45
  5. Step 5: Solve for x
    x = 228,190,253.45/12,722.22
  6. Step 6: Final answer
    x = 17,936.35

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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.