Home / 25,903.37-35,747.97-15,292.78

Finding the Fourth Proportional to 25,903.37, 35,747.97 and 15,292.78

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Solution

The fourth proportional to 25,903.37, 35,747.97 and 15,292.78 is: 21,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.37 : 35,747.97 = 15,292.78 : x
  2. Step 2: Convert to fraction form
    25,903.37/35,747.97 = 15,292.78/x
  3. Step 3: Cross multiply
    25,903.37x = 35,747.97 × 15,292.78
  4. Step 4: Simplify right side
    25,903.37x = 546,685,693.94
  5. Step 5: Solve for x
    x = 546,685,693.94/25,903.37
  6. Step 6: Final answer
    x = 21,104.81

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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.