Home / 13,908.38-20,858.16-4,546.28

Finding the Fourth Proportional to 13,908.38, 20,858.16 and 4,546.28

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Solution

The fourth proportional to 13,908.38, 20,858.16 and 4,546.28 is: 6,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.38 : 20,858.16 = 4,546.28 : x
  2. Step 2: Convert to fraction form
    13,908.38/20,858.16 = 4,546.28/x
  3. Step 3: Cross multiply
    13,908.38x = 20,858.16 × 4,546.28
  4. Step 4: Simplify right side
    13,908.38x = 94,827,035.64
  5. Step 5: Solve for x
    x = 94,827,035.64/13,908.38
  6. Step 6: Final answer
    x = 6,817.98

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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.