Home / 13,357.10-20,058.44-11,133.65

Finding the Fourth Proportional to 13,357.10, 20,058.44 and 11,133.65

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Solution

The fourth proportional to 13,357.10, 20,058.44 and 11,133.65 is: 16,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.10 : 20,058.44 = 11,133.65 : x
  2. Step 2: Convert to fraction form
    13,357.10/20,058.44 = 11,133.65/x
  3. Step 3: Cross multiply
    13,357.10x = 20,058.44 × 11,133.65
  4. Step 4: Simplify right side
    13,357.10x = 223,323,644.98
  5. Step 5: Solve for x
    x = 223,323,644.98/13,357.10
  6. Step 6: Final answer
    x = 16,719.47

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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.