Home / 13,051.72-17,995.86-9,902.44

Finding the Fourth Proportional to 13,051.72, 17,995.86 and 9,902.44

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Solution

The fourth proportional to 13,051.72, 17,995.86 and 9,902.44 is: 13,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.72 : 17,995.86 = 9,902.44 : x
  2. Step 2: Convert to fraction form
    13,051.72/17,995.86 = 9,902.44/x
  3. Step 3: Cross multiply
    13,051.72x = 17,995.86 × 9,902.44
  4. Step 4: Simplify right side
    13,051.72x = 178,202,923.90
  5. Step 5: Solve for x
    x = 178,202,923.90/13,051.72
  6. Step 6: Final answer
    x = 13,653.60

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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.