Home / 19,447.06-26,836.23-11,890.57

Finding the Fourth Proportional to 19,447.06, 26,836.23 and 11,890.57

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Solution

The fourth proportional to 19,447.06, 26,836.23 and 11,890.57 is: 16,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.06 : 26,836.23 = 11,890.57 : x
  2. Step 2: Convert to fraction form
    19,447.06/26,836.23 = 11,890.57/x
  3. Step 3: Cross multiply
    19,447.06x = 26,836.23 × 11,890.57
  4. Step 4: Simplify right side
    19,447.06x = 319,098,071.35
  5. Step 5: Solve for x
    x = 319,098,071.35/19,447.06
  6. Step 6: Final answer
    x = 16,408.55

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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.