Home / 13,023.73-17,954.08-9,291.25

Finding the Fourth Proportional to 13,023.73, 17,954.08 and 9,291.25

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Solution

The fourth proportional to 13,023.73, 17,954.08 and 9,291.25 is: 12,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.73 : 17,954.08 = 9,291.25 : x
  2. Step 2: Convert to fraction form
    13,023.73/17,954.08 = 9,291.25/x
  3. Step 3: Cross multiply
    13,023.73x = 17,954.08 × 9,291.25
  4. Step 4: Simplify right side
    13,023.73x = 166,815,845.80
  5. Step 5: Solve for x
    x = 166,815,845.80/13,023.73
  6. Step 6: Final answer
    x = 12,808.61

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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.