Home / 19,453.02-29,132.76-11,107.75

Finding the Fourth Proportional to 19,453.02, 29,132.76 and 11,107.75

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Solution

The fourth proportional to 19,453.02, 29,132.76 and 11,107.75 is: 16,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.02 : 29,132.76 = 11,107.75 : x
  2. Step 2: Convert to fraction form
    19,453.02/29,132.76 = 11,107.75/x
  3. Step 3: Cross multiply
    19,453.02x = 29,132.76 × 11,107.75
  4. Step 4: Simplify right side
    19,453.02x = 323,599,414.89
  5. Step 5: Solve for x
    x = 323,599,414.89/19,453.02
  6. Step 6: Final answer
    x = 16,634.92

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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.