Home / 15,418.62-23,128.02-4,325.36

Finding the Fourth Proportional to 15,418.62, 23,128.02 and 4,325.36

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Solution

The fourth proportional to 15,418.62, 23,128.02 and 4,325.36 is: 6,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.62 : 23,128.02 = 4,325.36 : x
  2. Step 2: Convert to fraction form
    15,418.62/23,128.02 = 4,325.36/x
  3. Step 3: Cross multiply
    15,418.62x = 23,128.02 × 4,325.36
  4. Step 4: Simplify right side
    15,418.62x = 100,036,896.95
  5. Step 5: Solve for x
    x = 100,036,896.95/15,418.62
  6. Step 6: Final answer
    x = 6,488.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.