Home / 34,106.82-47,067.28-18,999.66

Finding the Fourth Proportional to 34,106.82, 47,067.28 and 18,999.66

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Solution

The fourth proportional to 34,106.82, 47,067.28 and 18,999.66 is: 26,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,106.82 : 47,067.28 = 18,999.66 : x
  2. Step 2: Convert to fraction form
    34,106.82/47,067.28 = 18,999.66/x
  3. Step 3: Cross multiply
    34,106.82x = 47,067.28 × 18,999.66
  4. Step 4: Simplify right side
    34,106.82x = 894,262,317.12
  5. Step 5: Solve for x
    x = 894,262,317.12/34,106.82
  6. Step 6: Final answer
    x = 26,219.46

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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.