Home / 19,456.92-29,212.79-9,976.14

Finding the Fourth Proportional to 19,456.92, 29,212.79 and 9,976.14

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Solution

The fourth proportional to 19,456.92, 29,212.79 and 9,976.14 is: 14,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.92 : 29,212.79 = 9,976.14 : x
  2. Step 2: Convert to fraction form
    19,456.92/29,212.79 = 9,976.14/x
  3. Step 3: Cross multiply
    19,456.92x = 29,212.79 × 9,976.14
  4. Step 4: Simplify right side
    19,456.92x = 291,430,832.95
  5. Step 5: Solve for x
    x = 291,430,832.95/19,456.92
  6. Step 6: Final answer
    x = 14,978.26

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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.