Home / 13,671.09-20,506.64-3,282.84

Finding the Fourth Proportional to 13,671.09, 20,506.64 and 3,282.84

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Solution

The fourth proportional to 13,671.09, 20,506.64 and 3,282.84 is: 4,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.09 : 20,506.64 = 3,282.84 : x
  2. Step 2: Convert to fraction form
    13,671.09/20,506.64 = 3,282.84/x
  3. Step 3: Cross multiply
    13,671.09x = 20,506.64 × 3,282.84
  4. Step 4: Simplify right side
    13,671.09x = 67,320,001.64
  5. Step 5: Solve for x
    x = 67,320,001.64/13,671.09
  6. Step 6: Final answer
    x = 4,924.26

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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.