Home / 16,223.67-22,355.43-11,967.99

Finding the Fourth Proportional to 16,223.67, 22,355.43 and 11,967.99

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Solution

The fourth proportional to 16,223.67, 22,355.43 and 11,967.99 is: 16,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.67 : 22,355.43 = 11,967.99 : x
  2. Step 2: Convert to fraction form
    16,223.67/22,355.43 = 11,967.99/x
  3. Step 3: Cross multiply
    16,223.67x = 22,355.43 × 11,967.99
  4. Step 4: Simplify right side
    16,223.67x = 267,549,562.69
  5. Step 5: Solve for x
    x = 267,549,562.69/16,223.67
  6. Step 6: Final answer
    x = 16,491.31

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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.