Home / 19,308.68-26,649.44-11,351.31

Finding the Fourth Proportional to 19,308.68, 26,649.44 and 11,351.31

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Solution

The fourth proportional to 19,308.68, 26,649.44 and 11,351.31 is: 15,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.68 : 26,649.44 = 11,351.31 : x
  2. Step 2: Convert to fraction form
    19,308.68/26,649.44 = 11,351.31/x
  3. Step 3: Cross multiply
    19,308.68x = 26,649.44 × 11,351.31
  4. Step 4: Simplify right side
    19,308.68x = 302,505,998.01
  5. Step 5: Solve for x
    x = 302,505,998.01/19,308.68
  6. Step 6: Final answer
    x = 15,666.84

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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.