Home / 13,942.54-20,913.86-9,801.08

Finding the Fourth Proportional to 13,942.54, 20,913.86 and 9,801.08

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Solution

The fourth proportional to 13,942.54, 20,913.86 and 9,801.08 is: 14,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.54 : 20,913.86 = 9,801.08 : x
  2. Step 2: Convert to fraction form
    13,942.54/20,913.86 = 9,801.08/x
  3. Step 3: Cross multiply
    13,942.54x = 20,913.86 × 9,801.08
  4. Step 4: Simplify right side
    13,942.54x = 204,978,365.96
  5. Step 5: Solve for x
    x = 204,978,365.96/13,942.54
  6. Step 6: Final answer
    x = 14,701.65

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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.