Home / 13,645.40-20,456.10-9,248.60

Finding the Fourth Proportional to 13,645.40, 20,456.10 and 9,248.60

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Solution

The fourth proportional to 13,645.40, 20,456.10 and 9,248.60 is: 13,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.40 : 20,456.10 = 9,248.60 : x
  2. Step 2: Convert to fraction form
    13,645.40/20,456.10 = 9,248.60/x
  3. Step 3: Cross multiply
    13,645.40x = 20,456.10 × 9,248.60
  4. Step 4: Simplify right side
    13,645.40x = 189,190,286.46
  5. Step 5: Solve for x
    x = 189,190,286.46/13,645.40
  6. Step 6: Final answer
    x = 13,864.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.