Home / 14,113.58-21,177.52-6,716.66

Finding the Fourth Proportional to 14,113.58, 21,177.52 and 6,716.66

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Solution

The fourth proportional to 14,113.58, 21,177.52 and 6,716.66 is: 10,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.58 : 21,177.52 = 6,716.66 : x
  2. Step 2: Convert to fraction form
    14,113.58/21,177.52 = 6,716.66/x
  3. Step 3: Cross multiply
    14,113.58x = 21,177.52 × 6,716.66
  4. Step 4: Simplify right side
    14,113.58x = 142,242,078.80
  5. Step 5: Solve for x
    x = 142,242,078.80/14,113.58
  6. Step 6: Final answer
    x = 10,078.39

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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.