Home / 17,813.13-26,728.79-7,290.91

Finding the Fourth Proportional to 17,813.13, 26,728.79 and 7,290.91

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Solution

The fourth proportional to 17,813.13, 26,728.79 and 7,290.91 is: 10,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.13 : 26,728.79 = 7,290.91 : x
  2. Step 2: Convert to fraction form
    17,813.13/26,728.79 = 7,290.91/x
  3. Step 3: Cross multiply
    17,813.13x = 26,728.79 × 7,290.91
  4. Step 4: Simplify right side
    17,813.13x = 194,877,202.30
  5. Step 5: Solve for x
    x = 194,877,202.30/17,813.13
  6. Step 6: Final answer
    x = 10,940.09

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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.