Home / 19,436.50-26,823.18-11,485.54

Finding the Fourth Proportional to 19,436.50, 26,823.18 and 11,485.54

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Solution

The fourth proportional to 19,436.50, 26,823.18 and 11,485.54 is: 15,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.50 : 26,823.18 = 11,485.54 : x
  2. Step 2: Convert to fraction form
    19,436.50/26,823.18 = 11,485.54/x
  3. Step 3: Cross multiply
    19,436.50x = 26,823.18 × 11,485.54
  4. Step 4: Simplify right side
    19,436.50x = 308,078,706.82
  5. Step 5: Solve for x
    x = 308,078,706.82/19,436.50
  6. Step 6: Final answer
    x = 15,850.52

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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.