Home / 19,384.50-26,751.30-11,433.54

Finding the Fourth Proportional to 19,384.50, 26,751.30 and 11,433.54

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Solution

The fourth proportional to 19,384.50, 26,751.30 and 11,433.54 is: 15,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.50 : 26,751.30 = 11,433.54 : x
  2. Step 2: Convert to fraction form
    19,384.50/26,751.30 = 11,433.54/x
  3. Step 3: Cross multiply
    19,384.50x = 26,751.30 × 11,433.54
  4. Step 4: Simplify right side
    19,384.50x = 305,862,058.60
  5. Step 5: Solve for x
    x = 305,862,058.60/19,384.50
  6. Step 6: Final answer
    x = 15,778.69

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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.