Home / 19,362.68-26,728.64-13,083.56

Finding the Fourth Proportional to 19,362.68, 26,728.64 and 13,083.56

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Solution

The fourth proportional to 19,362.68, 26,728.64 and 13,083.56 is: 18,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.68 : 26,728.64 = 13,083.56 : x
  2. Step 2: Convert to fraction form
    19,362.68/26,728.64 = 13,083.56/x
  3. Step 3: Cross multiply
    19,362.68x = 26,728.64 × 13,083.56
  4. Step 4: Simplify right side
    19,362.68x = 349,705,765.16
  5. Step 5: Solve for x
    x = 349,705,765.16/19,362.68
  6. Step 6: Final answer
    x = 18,060.81

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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.