Home / 13,113.19-19,669.20-11,352.43

Finding the Fourth Proportional to 13,113.19, 19,669.20 and 11,352.43

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Solution

The fourth proportional to 13,113.19, 19,669.20 and 11,352.43 is: 17,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.19 : 19,669.20 = 11,352.43 : x
  2. Step 2: Convert to fraction form
    13,113.19/19,669.20 = 11,352.43/x
  3. Step 3: Cross multiply
    13,113.19x = 19,669.20 × 11,352.43
  4. Step 4: Simplify right side
    13,113.19x = 223,293,216.16
  5. Step 5: Solve for x
    x = 223,293,216.16/13,113.19
  6. Step 6: Final answer
    x = 17,028.14

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Why These Related Problems?

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