Home / 38,156.64-57,232.62-11,857.56

Finding the Fourth Proportional to 38,156.64, 57,232.62 and 11,857.56

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Solution

The fourth proportional to 38,156.64, 57,232.62 and 11,857.56 is: 17,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.64 : 57,232.62 = 11,857.56 : x
  2. Step 2: Convert to fraction form
    38,156.64/57,232.62 = 11,857.56/x
  3. Step 3: Cross multiply
    38,156.64x = 57,232.62 × 11,857.56
  4. Step 4: Simplify right side
    38,156.64x = 678,639,225.61
  5. Step 5: Solve for x
    x = 678,639,225.61/38,156.64
  6. Step 6: Final answer
    x = 17,785.61

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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.