Home / 13,400.84-20,103.09-4,636.44

Finding the Fourth Proportional to 13,400.84, 20,103.09 and 4,636.44

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Solution

The fourth proportional to 13,400.84, 20,103.09 and 4,636.44 is: 6,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.84 : 20,103.09 = 4,636.44 : x
  2. Step 2: Convert to fraction form
    13,400.84/20,103.09 = 4,636.44/x
  3. Step 3: Cross multiply
    13,400.84x = 20,103.09 × 4,636.44
  4. Step 4: Simplify right side
    13,400.84x = 93,206,753.21
  5. Step 5: Solve for x
    x = 93,206,753.21/13,400.84
  6. Step 6: Final answer
    x = 6,955.29

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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.