Home / 19,257.15-26,571.99-11,699.49

Finding the Fourth Proportional to 19,257.15, 26,571.99 and 11,699.49

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Solution

The fourth proportional to 19,257.15, 26,571.99 and 11,699.49 is: 16,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.15 : 26,571.99 = 11,699.49 : x
  2. Step 2: Convert to fraction form
    19,257.15/26,571.99 = 11,699.49/x
  3. Step 3: Cross multiply
    19,257.15x = 26,571.99 × 11,699.49
  4. Step 4: Simplify right side
    19,257.15x = 310,878,731.29
  5. Step 5: Solve for x
    x = 310,878,731.29/19,257.15
  6. Step 6: Final answer
    x = 16,143.55

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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.