Home / 13,789.04-19,028.32-7,501.44

Finding the Fourth Proportional to 13,789.04, 19,028.32 and 7,501.44

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Solution

The fourth proportional to 13,789.04, 19,028.32 and 7,501.44 is: 10,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.04 : 19,028.32 = 7,501.44 : x
  2. Step 2: Convert to fraction form
    13,789.04/19,028.32 = 7,501.44/x
  3. Step 3: Cross multiply
    13,789.04x = 19,028.32 × 7,501.44
  4. Step 4: Simplify right side
    13,789.04x = 142,739,800.78
  5. Step 5: Solve for x
    x = 142,739,800.78/13,789.04
  6. Step 6: Final answer
    x = 10,351.69

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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.