Home / 25,939.54-35,787.72-15,874.48

Finding the Fourth Proportional to 25,939.54, 35,787.72 and 15,874.48

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Solution

The fourth proportional to 25,939.54, 35,787.72 and 15,874.48 is: 21,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.54 : 35,787.72 = 15,874.48 : x
  2. Step 2: Convert to fraction form
    25,939.54/35,787.72 = 15,874.48/x
  3. Step 3: Cross multiply
    25,939.54x = 35,787.72 × 15,874.48
  4. Step 4: Simplify right side
    25,939.54x = 568,111,445.39
  5. Step 5: Solve for x
    x = 568,111,445.39/25,939.54
  6. Step 6: Final answer
    x = 21,901.37

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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.