Home / 23,828.30-32,883.63-13,218.38

Finding the Fourth Proportional to 23,828.30, 32,883.63 and 13,218.38

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Solution

The fourth proportional to 23,828.30, 32,883.63 and 13,218.38 is: 18,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,828.30 : 32,883.63 = 13,218.38 : x
  2. Step 2: Convert to fraction form
    23,828.30/32,883.63 = 13,218.38/x
  3. Step 3: Cross multiply
    23,828.30x = 32,883.63 × 13,218.38
  4. Step 4: Simplify right side
    23,828.30x = 434,668,317.12
  5. Step 5: Solve for x
    x = 434,668,317.12/23,828.30
  6. Step 6: Final answer
    x = 18,241.68

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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.