Home / 14,273.19-19,696.44-7,985.55

Finding the Fourth Proportional to 14,273.19, 19,696.44 and 7,985.55

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Solution

The fourth proportional to 14,273.19, 19,696.44 and 7,985.55 is: 11,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.19 : 19,696.44 = 7,985.55 : x
  2. Step 2: Convert to fraction form
    14,273.19/19,696.44 = 7,985.55/x
  3. Step 3: Cross multiply
    14,273.19x = 19,696.44 × 7,985.55
  4. Step 4: Simplify right side
    14,273.19x = 157,286,906.44
  5. Step 5: Solve for x
    x = 157,286,906.44/14,273.19
  6. Step 6: Final answer
    x = 11,019.74

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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.