Home / 18,191.56-25,043.70-17,355.64

Finding the Fourth Proportional to 18,191.56, 25,043.70 and 17,355.64

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Solution

The fourth proportional to 18,191.56, 25,043.70 and 17,355.64 is: 23,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.56 : 25,043.70 = 17,355.64 : x
  2. Step 2: Convert to fraction form
    18,191.56/25,043.70 = 17,355.64/x
  3. Step 3: Cross multiply
    18,191.56x = 25,043.70 × 17,355.64
  4. Step 4: Simplify right side
    18,191.56x = 434,649,441.47
  5. Step 5: Solve for x
    x = 434,649,441.47/18,191.56
  6. Step 6: Final answer
    x = 23,892.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.