Home / 14,220.43-21,323.62-4,357.33

Finding the Fourth Proportional to 14,220.43, 21,323.62 and 4,357.33

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Solution

The fourth proportional to 14,220.43, 21,323.62 and 4,357.33 is: 6,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.43 : 21,323.62 = 4,357.33 : x
  2. Step 2: Convert to fraction form
    14,220.43/21,323.62 = 4,357.33/x
  3. Step 3: Cross multiply
    14,220.43x = 21,323.62 × 4,357.33
  4. Step 4: Simplify right side
    14,220.43x = 92,914,049.13
  5. Step 5: Solve for x
    x = 92,914,049.13/14,220.43
  6. Step 6: Final answer
    x = 6,533.84

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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.