Home / 25,325.64-34,949.07-13,995

Finding the Fourth Proportional to 25,325.64, 34,949.07 and 13,995

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Solution

The fourth proportional to 25,325.64, 34,949.07 and 13,995 is: 19,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.64 : 34,949.07 = 13,995 : x
  2. Step 2: Convert to fraction form
    25,325.64/34,949.07 = 13,995/x
  3. Step 3: Cross multiply
    25,325.64x = 34,949.07 × 13,995
  4. Step 4: Simplify right side
    25,325.64x = 489,112,234.65
  5. Step 5: Solve for x
    x = 489,112,234.65/25,325.64
  6. Step 6: Final answer
    x = 19,312.93

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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.