Home / 13,252.24-18,278.76-11,480.68

Finding the Fourth Proportional to 13,252.24, 18,278.76 and 11,480.68

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Solution

The fourth proportional to 13,252.24, 18,278.76 and 11,480.68 is: 15,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.24 : 18,278.76 = 11,480.68 : x
  2. Step 2: Convert to fraction form
    13,252.24/18,278.76 = 11,480.68/x
  3. Step 3: Cross multiply
    13,252.24x = 18,278.76 × 11,480.68
  4. Step 4: Simplify right side
    13,252.24x = 209,852,594.36
  5. Step 5: Solve for x
    x = 209,852,594.36/13,252.24
  6. Step 6: Final answer
    x = 15,835.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.