Home / 19,306.33-26,646.89-11,755.15

Finding the Fourth Proportional to 19,306.33, 26,646.89 and 11,755.15

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Solution

The fourth proportional to 19,306.33, 26,646.89 and 11,755.15 is: 16,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.33 : 26,646.89 = 11,755.15 : x
  2. Step 2: Convert to fraction form
    19,306.33/26,646.89 = 11,755.15/x
  3. Step 3: Cross multiply
    19,306.33x = 26,646.89 × 11,755.15
  4. Step 4: Simplify right side
    19,306.33x = 313,238,188.98
  5. Step 5: Solve for x
    x = 313,238,188.98/19,306.33
  6. Step 6: Final answer
    x = 16,224.64

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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.