Home / 19,186.28-26,474.66-10,686.28

Finding the Fourth Proportional to 19,186.28, 26,474.66 and 10,686.28

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Solution

The fourth proportional to 19,186.28, 26,474.66 and 10,686.28 is: 14,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.28 : 26,474.66 = 10,686.28 : x
  2. Step 2: Convert to fraction form
    19,186.28/26,474.66 = 10,686.28/x
  3. Step 3: Cross multiply
    19,186.28x = 26,474.66 × 10,686.28
  4. Step 4: Simplify right side
    19,186.28x = 282,915,629.66
  5. Step 5: Solve for x
    x = 282,915,629.66/19,186.28
  6. Step 6: Final answer
    x = 14,745.73

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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.