Home / 12,792.93-17,638.32-10,671.54

Finding the Fourth Proportional to 12,792.93, 17,638.32 and 10,671.54

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Solution

The fourth proportional to 12,792.93, 17,638.32 and 10,671.54 is: 14,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.93 : 17,638.32 = 10,671.54 : x
  2. Step 2: Convert to fraction form
    12,792.93/17,638.32 = 10,671.54/x
  3. Step 3: Cross multiply
    12,792.93x = 17,638.32 × 10,671.54
  4. Step 4: Simplify right side
    12,792.93x = 188,228,037.41
  5. Step 5: Solve for x
    x = 188,228,037.41/12,792.93
  6. Step 6: Final answer
    x = 14,713.44

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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.