Home / 19,331.12-26,651.56-13,949.04

Finding the Fourth Proportional to 19,331.12, 26,651.56 and 13,949.04

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Solution

The fourth proportional to 19,331.12, 26,651.56 and 13,949.04 is: 19,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.12 : 26,651.56 = 13,949.04 : x
  2. Step 2: Convert to fraction form
    19,331.12/26,651.56 = 13,949.04/x
  3. Step 3: Cross multiply
    19,331.12x = 26,651.56 × 13,949.04
  4. Step 4: Simplify right side
    19,331.12x = 371,763,676.50
  5. Step 5: Solve for x
    x = 371,763,676.50/19,331.12
  6. Step 6: Final answer
    x = 19,231.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.