Home / 38,254.11-57,389.27-11,960.84

Finding the Fourth Proportional to 38,254.11, 57,389.27 and 11,960.84

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Solution

The fourth proportional to 38,254.11, 57,389.27 and 11,960.84 is: 17,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.11 : 57,389.27 = 11,960.84 : x
  2. Step 2: Convert to fraction form
    38,254.11/57,389.27 = 11,960.84/x
  3. Step 3: Cross multiply
    38,254.11x = 57,389.27 × 11,960.84
  4. Step 4: Simplify right side
    38,254.11x = 686,423,529.44
  5. Step 5: Solve for x
    x = 686,423,529.44/38,254.11
  6. Step 6: Final answer
    x = 17,943.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.