Home / 19,782.36-27,439.56-19,073.34

Finding the Fourth Proportional to 19,782.36, 27,439.56 and 19,073.34

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Solution

The fourth proportional to 19,782.36, 27,439.56 and 19,073.34 is: 26,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.36 : 27,439.56 = 19,073.34 : x
  2. Step 2: Convert to fraction form
    19,782.36/27,439.56 = 19,073.34/x
  3. Step 3: Cross multiply
    19,782.36x = 27,439.56 × 19,073.34
  4. Step 4: Simplify right side
    19,782.36x = 523,364,057.33
  5. Step 5: Solve for x
    x = 523,364,057.33/19,782.36
  6. Step 6: Final answer
    x = 26,456.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.