Home / 14,497.79-21,745.87-5,137.43

Finding the Fourth Proportional to 14,497.79, 21,745.87 and 5,137.43

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Solution

The fourth proportional to 14,497.79, 21,745.87 and 5,137.43 is: 7,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.79 : 21,745.87 = 5,137.43 : x
  2. Step 2: Convert to fraction form
    14,497.79/21,745.87 = 5,137.43/x
  3. Step 3: Cross multiply
    14,497.79x = 21,745.87 × 5,137.43
  4. Step 4: Simplify right side
    14,497.79x = 111,717,763.34
  5. Step 5: Solve for x
    x = 111,717,763.34/14,497.79
  6. Step 6: Final answer
    x = 7,705.85

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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.