Home / 25,768.75-38,654.29-7,048.37

Finding the Fourth Proportional to 25,768.75, 38,654.29 and 7,048.37

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Solution

The fourth proportional to 25,768.75, 38,654.29 and 7,048.37 is: 10,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.75 : 38,654.29 = 7,048.37 : x
  2. Step 2: Convert to fraction form
    25,768.75/38,654.29 = 7,048.37/x
  3. Step 3: Cross multiply
    25,768.75x = 38,654.29 × 7,048.37
  4. Step 4: Simplify right side
    25,768.75x = 272,449,738.01
  5. Step 5: Solve for x
    x = 272,449,738.01/25,768.75
  6. Step 6: Final answer
    x = 10,572.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.