Home / 25,151.23-34,706.99-13,821.51

Finding the Fourth Proportional to 25,151.23, 34,706.99 and 13,821.51

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Solution

The fourth proportional to 25,151.23, 34,706.99 and 13,821.51 is: 19,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.23 : 34,706.99 = 13,821.51 : x
  2. Step 2: Convert to fraction form
    25,151.23/34,706.99 = 13,821.51/x
  3. Step 3: Cross multiply
    25,151.23x = 34,706.99 × 13,821.51
  4. Step 4: Simplify right side
    25,151.23x = 479,702,940.25
  5. Step 5: Solve for x
    x = 479,702,940.25/25,151.23
  6. Step 6: Final answer
    x = 19,072.75

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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.