Home / 19,952.84-29,890.96-11,161.12

Finding the Fourth Proportional to 19,952.84, 29,890.96 and 11,161.12

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Solution

The fourth proportional to 19,952.84, 29,890.96 and 11,161.12 is: 16,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.84 : 29,890.96 = 11,161.12 : x
  2. Step 2: Convert to fraction form
    19,952.84/29,890.96 = 11,161.12/x
  3. Step 3: Cross multiply
    19,952.84x = 29,890.96 × 11,161.12
  4. Step 4: Simplify right side
    19,952.84x = 333,616,591.48
  5. Step 5: Solve for x
    x = 333,616,591.48/19,952.84
  6. Step 6: Final answer
    x = 16,720.26

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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.