Home / 25,173.56-34,738.80-13,995.56

Finding the Fourth Proportional to 25,173.56, 34,738.80 and 13,995.56

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Solution

The fourth proportional to 25,173.56, 34,738.80 and 13,995.56 is: 19,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.56 : 34,738.80 = 13,995.56 : x
  2. Step 2: Convert to fraction form
    25,173.56/34,738.80 = 13,995.56/x
  3. Step 3: Cross multiply
    25,173.56x = 34,738.80 × 13,995.56
  4. Step 4: Simplify right side
    25,173.56x = 486,188,959.73
  5. Step 5: Solve for x
    x = 486,188,959.73/25,173.56
  6. Step 6: Final answer
    x = 19,313.48

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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.