Home / 17,442.90-26,148.40-7,578.62

Finding the Fourth Proportional to 17,442.90, 26,148.40 and 7,578.62

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Solution

The fourth proportional to 17,442.90, 26,148.40 and 7,578.62 is: 11,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.90 : 26,148.40 = 7,578.62 : x
  2. Step 2: Convert to fraction form
    17,442.90/26,148.40 = 7,578.62/x
  3. Step 3: Cross multiply
    17,442.90x = 26,148.40 × 7,578.62
  4. Step 4: Simplify right side
    17,442.90x = 198,168,787.21
  5. Step 5: Solve for x
    x = 198,168,787.21/17,442.90
  6. Step 6: Final answer
    x = 11,361.00

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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.