Home / 27,933.53-38,510.53-18,965.46

Finding the Fourth Proportional to 27,933.53, 38,510.53 and 18,965.46

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Solution

The fourth proportional to 27,933.53, 38,510.53 and 18,965.46 is: 26,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.53 : 38,510.53 = 18,965.46 : x
  2. Step 2: Convert to fraction form
    27,933.53/38,510.53 = 18,965.46/x
  3. Step 3: Cross multiply
    27,933.53x = 38,510.53 × 18,965.46
  4. Step 4: Simplify right side
    27,933.53x = 730,369,850.01
  5. Step 5: Solve for x
    x = 730,369,850.01/27,933.53
  6. Step 6: Final answer
    x = 26,146.71

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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.