Home / 19,412.63-26,789.43-11,029.13

Finding the Fourth Proportional to 19,412.63, 26,789.43 and 11,029.13

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Solution

The fourth proportional to 19,412.63, 26,789.43 and 11,029.13 is: 15,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.63 : 26,789.43 = 11,029.13 : x
  2. Step 2: Convert to fraction form
    19,412.63/26,789.43 = 11,029.13/x
  3. Step 3: Cross multiply
    19,412.63x = 26,789.43 × 11,029.13
  4. Step 4: Simplify right side
    19,412.63x = 295,463,972.15
  5. Step 5: Solve for x
    x = 295,463,972.15/19,412.63
  6. Step 6: Final answer
    x = 15,220.20

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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.