Home / 19,393.53-26,765.54-11,436.49

Finding the Fourth Proportional to 19,393.53, 26,765.54 and 11,436.49

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Solution

The fourth proportional to 19,393.53, 26,765.54 and 11,436.49 is: 15,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.53 : 26,765.54 = 11,436.49 : x
  2. Step 2: Convert to fraction form
    19,393.53/26,765.54 = 11,436.49/x
  3. Step 3: Cross multiply
    19,393.53x = 26,765.54 × 11,436.49
  4. Step 4: Simplify right side
    19,393.53x = 306,103,830.55
  5. Step 5: Solve for x
    x = 306,103,830.55/19,393.53
  6. Step 6: Final answer
    x = 15,783.81

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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.