Home / 38,168.94-57,263.16-11,873.90

Finding the Fourth Proportional to 38,168.94, 57,263.16 and 11,873.90

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Solution

The fourth proportional to 38,168.94, 57,263.16 and 11,873.90 is: 17,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.94 : 57,263.16 = 11,873.90 : x
  2. Step 2: Convert to fraction form
    38,168.94/57,263.16 = 11,873.90/x
  3. Step 3: Cross multiply
    38,168.94x = 57,263.16 × 11,873.90
  4. Step 4: Simplify right side
    38,168.94x = 679,937,035.52
  5. Step 5: Solve for x
    x = 679,937,035.52/38,168.94
  6. Step 6: Final answer
    x = 17,813.88

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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.