Home / 19,020.98-26,249.09-11,465.80

Finding the Fourth Proportional to 19,020.98, 26,249.09 and 11,465.80

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Solution

The fourth proportional to 19,020.98, 26,249.09 and 11,465.80 is: 15,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.98 : 26,249.09 = 11,465.80 : x
  2. Step 2: Convert to fraction form
    19,020.98/26,249.09 = 11,465.80/x
  3. Step 3: Cross multiply
    19,020.98x = 26,249.09 × 11,465.80
  4. Step 4: Simplify right side
    19,020.98x = 300,966,873.07
  5. Step 5: Solve for x
    x = 300,966,873.07/19,020.98
  6. Step 6: Final answer
    x = 15,822.89

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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.