Home / 14,069.20-19,414.80-7,695.44

Finding the Fourth Proportional to 14,069.20, 19,414.80 and 7,695.44

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Solution

The fourth proportional to 14,069.20, 19,414.80 and 7,695.44 is: 10,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.20 : 19,414.80 = 7,695.44 : x
  2. Step 2: Convert to fraction form
    14,069.20/19,414.80 = 7,695.44/x
  3. Step 3: Cross multiply
    14,069.20x = 19,414.80 × 7,695.44
  4. Step 4: Simplify right side
    14,069.20x = 149,405,428.51
  5. Step 5: Solve for x
    x = 149,405,428.51/14,069.20
  6. Step 6: Final answer
    x = 10,619.33

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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.