Home / 14,068.55-19,416.44-8,100.47

Finding the Fourth Proportional to 14,068.55, 19,416.44 and 8,100.47

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Solution

The fourth proportional to 14,068.55, 19,416.44 and 8,100.47 is: 11,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.55 : 19,416.44 = 8,100.47 : x
  2. Step 2: Convert to fraction form
    14,068.55/19,416.44 = 8,100.47/x
  3. Step 3: Cross multiply
    14,068.55x = 19,416.44 × 8,100.47
  4. Step 4: Simplify right side
    14,068.55x = 157,282,289.73
  5. Step 5: Solve for x
    x = 157,282,289.73/14,068.55
  6. Step 6: Final answer
    x = 11,179.71

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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.