Home / 19,449.59-26,840.97-11,895.78

Finding the Fourth Proportional to 19,449.59, 26,840.97 and 11,895.78

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Solution

The fourth proportional to 19,449.59, 26,840.97 and 11,895.78 is: 16,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.59 : 26,840.97 = 11,895.78 : x
  2. Step 2: Convert to fraction form
    19,449.59/26,840.97 = 11,895.78/x
  3. Step 3: Cross multiply
    19,449.59x = 26,840.97 × 11,895.78
  4. Step 4: Simplify right side
    19,449.59x = 319,294,330.15
  5. Step 5: Solve for x
    x = 319,294,330.15/19,449.59
  6. Step 6: Final answer
    x = 16,416.51

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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.