Home / 23,203.31-32,021.05-13,131.75

Finding the Fourth Proportional to 23,203.31, 32,021.05 and 13,131.75

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Solution

The fourth proportional to 23,203.31, 32,021.05 and 13,131.75 is: 18,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.31 : 32,021.05 = 13,131.75 : x
  2. Step 2: Convert to fraction form
    23,203.31/32,021.05 = 13,131.75/x
  3. Step 3: Cross multiply
    23,203.31x = 32,021.05 × 13,131.75
  4. Step 4: Simplify right side
    23,203.31x = 420,492,390.51
  5. Step 5: Solve for x
    x = 420,492,390.51/23,203.31
  6. Step 6: Final answer
    x = 18,122.08

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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.