Home / 25,055.87-34,575.75-13,724.78

Finding the Fourth Proportional to 25,055.87, 34,575.75 and 13,724.78

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Solution

The fourth proportional to 25,055.87, 34,575.75 and 13,724.78 is: 18,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.87 : 34,575.75 = 13,724.78 : x
  2. Step 2: Convert to fraction form
    25,055.87/34,575.75 = 13,724.78/x
  3. Step 3: Cross multiply
    25,055.87x = 34,575.75 × 13,724.78
  4. Step 4: Simplify right side
    25,055.87x = 474,544,562.09
  5. Step 5: Solve for x
    x = 474,544,562.09/25,055.87
  6. Step 6: Final answer
    x = 18,939.46

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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.