Home / 19,357.42-29,053.95-11,976.30

Finding the Fourth Proportional to 19,357.42, 29,053.95 and 11,976.30

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Solution

The fourth proportional to 19,357.42, 29,053.95 and 11,976.30 is: 17,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.42 : 29,053.95 = 11,976.30 : x
  2. Step 2: Convert to fraction form
    19,357.42/29,053.95 = 11,976.30/x
  3. Step 3: Cross multiply
    19,357.42x = 29,053.95 × 11,976.30
  4. Step 4: Simplify right side
    19,357.42x = 347,958,821.39
  5. Step 5: Solve for x
    x = 347,958,821.39/19,357.42
  6. Step 6: Final answer
    x = 17,975.48

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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.