Home / 25,738.14-35,470.47-18,555.58

Finding the Fourth Proportional to 25,738.14, 35,470.47 and 18,555.58

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Solution

The fourth proportional to 25,738.14, 35,470.47 and 18,555.58 is: 25,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.14 : 35,470.47 = 18,555.58 : x
  2. Step 2: Convert to fraction form
    25,738.14/35,470.47 = 18,555.58/x
  3. Step 3: Cross multiply
    25,738.14x = 35,470.47 × 18,555.58
  4. Step 4: Simplify right side
    25,738.14x = 658,175,143.72
  5. Step 5: Solve for x
    x = 658,175,143.72/25,738.14
  6. Step 6: Final answer
    x = 25,571.98

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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.