Home / 19,608.99-29,417.12-7,930.41

Finding the Fourth Proportional to 19,608.99, 29,417.12 and 7,930.41

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Solution

The fourth proportional to 19,608.99, 29,417.12 and 7,930.41 is: 11,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.99 : 29,417.12 = 7,930.41 : x
  2. Step 2: Convert to fraction form
    19,608.99/29,417.12 = 7,930.41/x
  3. Step 3: Cross multiply
    19,608.99x = 29,417.12 × 7,930.41
  4. Step 4: Simplify right side
    19,608.99x = 233,289,822.62
  5. Step 5: Solve for x
    x = 233,289,822.62/19,608.99
  6. Step 6: Final answer
    x = 11,897.09

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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.