Home / 13,930.16-19,223.49-7,556.73

Finding the Fourth Proportional to 13,930.16, 19,223.49 and 7,556.73

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Solution

The fourth proportional to 13,930.16, 19,223.49 and 7,556.73 is: 10,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.16 : 19,223.49 = 7,556.73 : x
  2. Step 2: Convert to fraction form
    13,930.16/19,223.49 = 7,556.73/x
  3. Step 3: Cross multiply
    13,930.16x = 19,223.49 × 7,556.73
  4. Step 4: Simplify right side
    13,930.16x = 145,266,723.59
  5. Step 5: Solve for x
    x = 145,266,723.59/13,930.16
  6. Step 6: Final answer
    x = 10,428.22

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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.