Home / 11,935.20-17,881.32-11,232.38

Finding the Fourth Proportional to 11,935.20, 17,881.32 and 11,232.38

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Solution

The fourth proportional to 11,935.20, 17,881.32 and 11,232.38 is: 16,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.20 : 17,881.32 = 11,232.38 : x
  2. Step 2: Convert to fraction form
    11,935.20/17,881.32 = 11,232.38/x
  3. Step 3: Cross multiply
    11,935.20x = 17,881.32 × 11,232.38
  4. Step 4: Simplify right side
    11,935.20x = 200,849,781.14
  5. Step 5: Solve for x
    x = 200,849,781.14/11,935.20
  6. Step 6: Final answer
    x = 16,828.35

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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.