Home / 19,511.07-29,241.08-7,832.49

Finding the Fourth Proportional to 19,511.07, 29,241.08 and 7,832.49

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Solution

The fourth proportional to 19,511.07, 29,241.08 and 7,832.49 is: 11,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.07 : 29,241.08 = 7,832.49 : x
  2. Step 2: Convert to fraction form
    19,511.07/29,241.08 = 7,832.49/x
  3. Step 3: Cross multiply
    19,511.07x = 29,241.08 × 7,832.49
  4. Step 4: Simplify right side
    19,511.07x = 229,030,320.48
  5. Step 5: Solve for x
    x = 229,030,320.48/19,511.07
  6. Step 6: Final answer
    x = 11,738.48

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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.