Home / 25,842.96-35,680.40-19,863.60

Finding the Fourth Proportional to 25,842.96, 35,680.40 and 19,863.60

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Solution

The fourth proportional to 25,842.96, 35,680.40 and 19,863.60 is: 27,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.96 : 35,680.40 = 19,863.60 : x
  2. Step 2: Convert to fraction form
    25,842.96/35,680.40 = 19,863.60/x
  3. Step 3: Cross multiply
    25,842.96x = 35,680.40 × 19,863.60
  4. Step 4: Simplify right side
    25,842.96x = 708,741,193.44
  5. Step 5: Solve for x
    x = 708,741,193.44/25,842.96
  6. Step 6: Final answer
    x = 27,424.92

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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.