Home / 14,067.41-19,409.76-8,403.98

Finding the Fourth Proportional to 14,067.41, 19,409.76 and 8,403.98

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Solution

The fourth proportional to 14,067.41, 19,409.76 and 8,403.98 is: 11,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.41 : 19,409.76 = 8,403.98 : x
  2. Step 2: Convert to fraction form
    14,067.41/19,409.76 = 8,403.98/x
  3. Step 3: Cross multiply
    14,067.41x = 19,409.76 × 8,403.98
  4. Step 4: Simplify right side
    14,067.41x = 163,119,137.80
  5. Step 5: Solve for x
    x = 163,119,137.80/14,067.41
  6. Step 6: Final answer
    x = 11,595.54

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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.