Home / 13,383.47-20,076.57-4,618.36

Finding the Fourth Proportional to 13,383.47, 20,076.57 and 4,618.36

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Solution

The fourth proportional to 13,383.47, 20,076.57 and 4,618.36 is: 6,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.47 : 20,076.57 = 4,618.36 : x
  2. Step 2: Convert to fraction form
    13,383.47/20,076.57 = 4,618.36/x
  3. Step 3: Cross multiply
    13,383.47x = 20,076.57 × 4,618.36
  4. Step 4: Simplify right side
    13,383.47x = 92,720,777.63
  5. Step 5: Solve for x
    x = 92,720,777.63/13,383.47
  6. Step 6: Final answer
    x = 6,928.01

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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.