Home / 14,235.54-21,348.69-4,745.34

Finding the Fourth Proportional to 14,235.54, 21,348.69 and 4,745.34

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Solution

The fourth proportional to 14,235.54, 21,348.69 and 4,745.34 is: 7,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.54 : 21,348.69 = 4,745.34 : x
  2. Step 2: Convert to fraction form
    14,235.54/21,348.69 = 4,745.34/x
  3. Step 3: Cross multiply
    14,235.54x = 21,348.69 × 4,745.34
  4. Step 4: Simplify right side
    14,235.54x = 101,306,792.60
  5. Step 5: Solve for x
    x = 101,306,792.60/14,235.54
  6. Step 6: Final answer
    x = 7,116.47

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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.