Home / 25,243.74-34,836.39-14,639.54

Finding the Fourth Proportional to 25,243.74, 34,836.39 and 14,639.54

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Solution

The fourth proportional to 25,243.74, 34,836.39 and 14,639.54 is: 20,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.74 : 34,836.39 = 14,639.54 : x
  2. Step 2: Convert to fraction form
    25,243.74/34,836.39 = 14,639.54/x
  3. Step 3: Cross multiply
    25,243.74x = 34,836.39 × 14,639.54
  4. Step 4: Simplify right side
    25,243.74x = 509,988,550.68
  5. Step 5: Solve for x
    x = 509,988,550.68/25,243.74
  6. Step 6: Final answer
    x = 20,202.58

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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.