Home / 14,086.70-21,101.80-6,698.28

Finding the Fourth Proportional to 14,086.70, 21,101.80 and 6,698.28

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Solution

The fourth proportional to 14,086.70, 21,101.80 and 6,698.28 is: 10,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.70 : 21,101.80 = 6,698.28 : x
  2. Step 2: Convert to fraction form
    14,086.70/21,101.80 = 6,698.28/x
  3. Step 3: Cross multiply
    14,086.70x = 21,101.80 × 6,698.28
  4. Step 4: Simplify right side
    14,086.70x = 141,345,764.90
  5. Step 5: Solve for x
    x = 141,345,764.90/14,086.70
  6. Step 6: Final answer
    x = 10,033.99

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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.