Home / 15,440.57-23,150.38-4,907.44

Finding the Fourth Proportional to 15,440.57, 23,150.38 and 4,907.44

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Solution

The fourth proportional to 15,440.57, 23,150.38 and 4,907.44 is: 7,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.57 : 23,150.38 = 4,907.44 : x
  2. Step 2: Convert to fraction form
    15,440.57/23,150.38 = 4,907.44/x
  3. Step 3: Cross multiply
    15,440.57x = 23,150.38 × 4,907.44
  4. Step 4: Simplify right side
    15,440.57x = 113,609,010.28
  5. Step 5: Solve for x
    x = 113,609,010.28/15,440.57
  6. Step 6: Final answer
    x = 7,357.82

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1.5x scale

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.