Home / 14,021.93-21,021.79-6,998.33

Finding the Fourth Proportional to 14,021.93, 21,021.79 and 6,998.33

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Solution

The fourth proportional to 14,021.93, 21,021.79 and 6,998.33 is: 10,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.93 : 21,021.79 = 6,998.33 : x
  2. Step 2: Convert to fraction form
    14,021.93/21,021.79 = 6,998.33/x
  3. Step 3: Cross multiply
    14,021.93x = 21,021.79 × 6,998.33
  4. Step 4: Simplify right side
    14,021.93x = 147,117,323.67
  5. Step 5: Solve for x
    x = 147,117,323.67/14,021.93
  6. Step 6: Final answer
    x = 10,491.95

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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.