Home / 14,747.94-20,352.36-8,374.32

Finding the Fourth Proportional to 14,747.94, 20,352.36 and 8,374.32

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Solution

The fourth proportional to 14,747.94, 20,352.36 and 8,374.32 is: 11,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.94 : 20,352.36 = 8,374.32 : x
  2. Step 2: Convert to fraction form
    14,747.94/20,352.36 = 8,374.32/x
  3. Step 3: Cross multiply
    14,747.94x = 20,352.36 × 8,374.32
  4. Step 4: Simplify right side
    14,747.94x = 170,437,175.40
  5. Step 5: Solve for x
    x = 170,437,175.40/14,747.94
  6. Step 6: Final answer
    x = 11,556.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.