Home / 17,220.79-25,830.26-5,533.09

Finding the Fourth Proportional to 17,220.79, 25,830.26 and 5,533.09

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Solution

The fourth proportional to 17,220.79, 25,830.26 and 5,533.09 is: 8,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.79 : 25,830.26 = 5,533.09 : x
  2. Step 2: Convert to fraction form
    17,220.79/25,830.26 = 5,533.09/x
  3. Step 3: Cross multiply
    17,220.79x = 25,830.26 × 5,533.09
  4. Step 4: Simplify right side
    17,220.79x = 142,921,153.30
  5. Step 5: Solve for x
    x = 142,921,153.30/17,220.79
  6. Step 6: Final answer
    x = 8,299.34

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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.