Home / 13,016.88-19,519.80-5,010.36

Finding the Fourth Proportional to 13,016.88, 19,519.80 and 5,010.36

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Solution

The fourth proportional to 13,016.88, 19,519.80 and 5,010.36 is: 7,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.88 : 19,519.80 = 5,010.36 : x
  2. Step 2: Convert to fraction form
    13,016.88/19,519.80 = 5,010.36/x
  3. Step 3: Cross multiply
    13,016.88x = 19,519.80 × 5,010.36
  4. Step 4: Simplify right side
    13,016.88x = 97,801,225.13
  5. Step 5: Solve for x
    x = 97,801,225.13/13,016.88
  6. Step 6: Final answer
    x = 7,513.42

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1.5x scale

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.