Home / 25,143.73-34,698.36-13,813.95

Finding the Fourth Proportional to 25,143.73, 34,698.36 and 13,813.95

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Solution

The fourth proportional to 25,143.73, 34,698.36 and 13,813.95 is: 19,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.73 : 34,698.36 = 13,813.95 : x
  2. Step 2: Convert to fraction form
    25,143.73/34,698.36 = 13,813.95/x
  3. Step 3: Cross multiply
    25,143.73x = 34,698.36 × 13,813.95
  4. Step 4: Simplify right side
    25,143.73x = 479,321,567.88
  5. Step 5: Solve for x
    x = 479,321,567.88/25,143.73
  6. Step 6: Final answer
    x = 19,063.26

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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.