Home / 19,497.11-29,260.24-12,112.34

Finding the Fourth Proportional to 19,497.11, 29,260.24 and 12,112.34

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Solution

The fourth proportional to 19,497.11, 29,260.24 and 12,112.34 is: 18,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.11 : 29,260.24 = 12,112.34 : x
  2. Step 2: Convert to fraction form
    19,497.11/29,260.24 = 12,112.34/x
  3. Step 3: Cross multiply
    19,497.11x = 29,260.24 × 12,112.34
  4. Step 4: Simplify right side
    19,497.11x = 354,409,798.78
  5. Step 5: Solve for x
    x = 354,409,798.78/19,497.11
  6. Step 6: Final answer
    x = 18,177.56

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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.