Home / 19,616.34-27,071.20-11,118.36

Finding the Fourth Proportional to 19,616.34, 27,071.20 and 11,118.36

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Solution

The fourth proportional to 19,616.34, 27,071.20 and 11,118.36 is: 15,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.34 : 27,071.20 = 11,118.36 : x
  2. Step 2: Convert to fraction form
    19,616.34/27,071.20 = 11,118.36/x
  3. Step 3: Cross multiply
    19,616.34x = 27,071.20 × 11,118.36
  4. Step 4: Simplify right side
    19,616.34x = 300,987,347.23
  5. Step 5: Solve for x
    x = 300,987,347.23/19,616.34
  6. Step 6: Final answer
    x = 15,343.71

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1.5x scale

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.