Home / 25,648.11-35,414.42-19,670.31

Finding the Fourth Proportional to 25,648.11, 35,414.42 and 19,670.31

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Solution

The fourth proportional to 25,648.11, 35,414.42 and 19,670.31 is: 27,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.11 : 35,414.42 = 19,670.31 : x
  2. Step 2: Convert to fraction form
    25,648.11/35,414.42 = 19,670.31/x
  3. Step 3: Cross multiply
    25,648.11x = 35,414.42 × 19,670.31
  4. Step 4: Simplify right side
    25,648.11x = 696,612,521.52
  5. Step 5: Solve for x
    x = 696,612,521.52/25,648.11
  6. Step 6: Final answer
    x = 27,160.38

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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.