Home / 19,103.31-26,389.15-18,169.13

Finding the Fourth Proportional to 19,103.31, 26,389.15 and 18,169.13

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Solution

The fourth proportional to 19,103.31, 26,389.15 and 18,169.13 is: 25,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.31 : 26,389.15 = 18,169.13 : x
  2. Step 2: Convert to fraction form
    19,103.31/26,389.15 = 18,169.13/x
  3. Step 3: Cross multiply
    19,103.31x = 26,389.15 × 18,169.13
  4. Step 4: Simplify right side
    19,103.31x = 479,467,917.49
  5. Step 5: Solve for x
    x = 479,467,917.49/19,103.31
  6. Step 6: Final answer
    x = 25,098.68

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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.