Home / 14,069.78-21,115.04-6,674.26

Finding the Fourth Proportional to 14,069.78, 21,115.04 and 6,674.26

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Solution

The fourth proportional to 14,069.78, 21,115.04 and 6,674.26 is: 10,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.78 : 21,115.04 = 6,674.26 : x
  2. Step 2: Convert to fraction form
    14,069.78/21,115.04 = 6,674.26/x
  3. Step 3: Cross multiply
    14,069.78x = 21,115.04 × 6,674.26
  4. Step 4: Simplify right side
    14,069.78x = 140,927,266.87
  5. Step 5: Solve for x
    x = 140,927,266.87/14,069.78
  6. Step 6: Final answer
    x = 10,016.31

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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.