Home / 19,493.97-29,235.76-5,453.12

Finding the Fourth Proportional to 19,493.97, 29,235.76 and 5,453.12

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Solution

The fourth proportional to 19,493.97, 29,235.76 and 5,453.12 is: 8,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.97 : 29,235.76 = 5,453.12 : x
  2. Step 2: Convert to fraction form
    19,493.97/29,235.76 = 5,453.12/x
  3. Step 3: Cross multiply
    19,493.97x = 29,235.76 × 5,453.12
  4. Step 4: Simplify right side
    19,493.97x = 159,426,167.03
  5. Step 5: Solve for x
    x = 159,426,167.03/19,493.97
  6. Step 6: Final answer
    x = 8,178.23

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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.