Home / 17,383.58-23,989.20-9,425.78

Finding the Fourth Proportional to 17,383.58, 23,989.20 and 9,425.78

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Solution

The fourth proportional to 17,383.58, 23,989.20 and 9,425.78 is: 13,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.58 : 23,989.20 = 9,425.78 : x
  2. Step 2: Convert to fraction form
    17,383.58/23,989.20 = 9,425.78/x
  3. Step 3: Cross multiply
    17,383.58x = 23,989.20 × 9,425.78
  4. Step 4: Simplify right side
    17,383.58x = 226,116,801.63
  5. Step 5: Solve for x
    x = 226,116,801.63/17,383.58
  6. Step 6: Final answer
    x = 13,007.50

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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.