Home / 23,203.07-32,018.63-13,131.26

Finding the Fourth Proportional to 23,203.07, 32,018.63 and 13,131.26

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Solution

The fourth proportional to 23,203.07, 32,018.63 and 13,131.26 is: 18,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.07 : 32,018.63 = 13,131.26 : x
  2. Step 2: Convert to fraction form
    23,203.07/32,018.63 = 13,131.26/x
  3. Step 3: Cross multiply
    23,203.07x = 32,018.63 × 13,131.26
  4. Step 4: Simplify right side
    23,203.07x = 420,444,729.62
  5. Step 5: Solve for x
    x = 420,444,729.62/23,203.07
  6. Step 6: Final answer
    x = 18,120.22

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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.