Home / 13,854.56-19,106.30-11,031.26

Finding the Fourth Proportional to 13,854.56, 19,106.30 and 11,031.26

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Solution

The fourth proportional to 13,854.56, 19,106.30 and 11,031.26 is: 15,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.56 : 19,106.30 = 11,031.26 : x
  2. Step 2: Convert to fraction form
    13,854.56/19,106.30 = 11,031.26/x
  3. Step 3: Cross multiply
    13,854.56x = 19,106.30 × 11,031.26
  4. Step 4: Simplify right side
    13,854.56x = 210,766,412.25
  5. Step 5: Solve for x
    x = 210,766,412.25/13,854.56
  6. Step 6: Final answer
    x = 15,212.79

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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.