Home / 19,286.34-26,611.54-11,325.66

Finding the Fourth Proportional to 19,286.34, 26,611.54 and 11,325.66

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Solution

The fourth proportional to 19,286.34, 26,611.54 and 11,325.66 is: 15,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.34 : 26,611.54 = 11,325.66 : x
  2. Step 2: Convert to fraction form
    19,286.34/26,611.54 = 11,325.66/x
  3. Step 3: Cross multiply
    19,286.34x = 26,611.54 × 11,325.66
  4. Step 4: Simplify right side
    19,286.34x = 301,393,254.12
  5. Step 5: Solve for x
    x = 301,393,254.12/19,286.34
  6. Step 6: Final answer
    x = 15,627.29

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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.