Home / 25,842.75-35,668.55-15,769.03

Finding the Fourth Proportional to 25,842.75, 35,668.55 and 15,769.03

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Solution

The fourth proportional to 25,842.75, 35,668.55 and 15,769.03 is: 21,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.75 : 35,668.55 = 15,769.03 : x
  2. Step 2: Convert to fraction form
    25,842.75/35,668.55 = 15,769.03/x
  3. Step 3: Cross multiply
    25,842.75x = 35,668.55 × 15,769.03
  4. Step 4: Simplify right side
    25,842.75x = 562,458,435.01
  5. Step 5: Solve for x
    x = 562,458,435.01/25,842.75
  6. Step 6: Final answer
    x = 21,764.65

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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.