Home / 14,069.63-19,416.41-8,100.33

Finding the Fourth Proportional to 14,069.63, 19,416.41 and 8,100.33

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Solution

The fourth proportional to 14,069.63, 19,416.41 and 8,100.33 is: 11,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.63 : 19,416.41 = 8,100.33 : x
  2. Step 2: Convert to fraction form
    14,069.63/19,416.41 = 8,100.33/x
  3. Step 3: Cross multiply
    14,069.63x = 19,416.41 × 8,100.33
  4. Step 4: Simplify right side
    14,069.63x = 157,279,287.91
  5. Step 5: Solve for x
    x = 157,279,287.91/14,069.63
  6. Step 6: Final answer
    x = 11,178.64

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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.