Home / 25,055.21-34,576.68-13,724.70

Finding the Fourth Proportional to 25,055.21, 34,576.68 and 13,724.70

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Solution

The fourth proportional to 25,055.21, 34,576.68 and 13,724.70 is: 18,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.21 : 34,576.68 = 13,724.70 : x
  2. Step 2: Convert to fraction form
    25,055.21/34,576.68 = 13,724.70/x
  3. Step 3: Cross multiply
    25,055.21x = 34,576.68 × 13,724.70
  4. Step 4: Simplify right side
    25,055.21x = 474,554,560.00
  5. Step 5: Solve for x
    x = 474,554,560.00/25,055.21
  6. Step 6: Final answer
    x = 18,940.35

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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.