Home / 14,078.98-21,124.37-6,177.42

Finding the Fourth Proportional to 14,078.98, 21,124.37 and 6,177.42

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Solution

The fourth proportional to 14,078.98, 21,124.37 and 6,177.42 is: 9,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.98 : 21,124.37 = 6,177.42 : x
  2. Step 2: Convert to fraction form
    14,078.98/21,124.37 = 6,177.42/x
  3. Step 3: Cross multiply
    14,078.98x = 21,124.37 × 6,177.42
  4. Step 4: Simplify right side
    14,078.98x = 130,494,105.73
  5. Step 5: Solve for x
    x = 130,494,105.73/14,078.98
  6. Step 6: Final answer
    x = 9,268.72

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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.