Home / 17,177.75-23,705.30-9,725.75

Finding the Fourth Proportional to 17,177.75, 23,705.30 and 9,725.75

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Solution

The fourth proportional to 17,177.75, 23,705.30 and 9,725.75 is: 13,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.75 : 23,705.30 = 9,725.75 : x
  2. Step 2: Convert to fraction form
    17,177.75/23,705.30 = 9,725.75/x
  3. Step 3: Cross multiply
    17,177.75x = 23,705.30 × 9,725.75
  4. Step 4: Simplify right side
    17,177.75x = 230,551,821.48
  5. Step 5: Solve for x
    x = 230,551,821.48/17,177.75
  6. Step 6: Final answer
    x = 13,421.54

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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.