Home / 25,271.37-34,874.64-13,940.69

Finding the Fourth Proportional to 25,271.37, 34,874.64 and 13,940.69

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Solution

The fourth proportional to 25,271.37, 34,874.64 and 13,940.69 is: 19,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.37 : 34,874.64 = 13,940.69 : x
  2. Step 2: Convert to fraction form
    25,271.37/34,874.64 = 13,940.69/x
  3. Step 3: Cross multiply
    25,271.37x = 34,874.64 × 13,940.69
  4. Step 4: Simplify right side
    25,271.37x = 486,176,370.73
  5. Step 5: Solve for x
    x = 486,176,370.73/25,271.37
  6. Step 6: Final answer
    x = 19,238.23

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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.