Home / 13,040.51-17,998.74-8,007.37

Finding the Fourth Proportional to 13,040.51, 17,998.74 and 8,007.37

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Solution

The fourth proportional to 13,040.51, 17,998.74 and 8,007.37 is: 11,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.51 : 17,998.74 = 8,007.37 : x
  2. Step 2: Convert to fraction form
    13,040.51/17,998.74 = 8,007.37/x
  3. Step 3: Cross multiply
    13,040.51x = 17,998.74 × 8,007.37
  4. Step 4: Simplify right side
    13,040.51x = 144,122,525.72
  5. Step 5: Solve for x
    x = 144,122,525.72/13,040.51
  6. Step 6: Final answer
    x = 11,051.91

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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.