Home / 18,517.09-25,527.00-13,202.68

Finding the Fourth Proportional to 18,517.09, 25,527.00 and 13,202.68

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Solution

The fourth proportional to 18,517.09, 25,527.00 and 13,202.68 is: 18,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.09 : 25,527.00 = 13,202.68 : x
  2. Step 2: Convert to fraction form
    18,517.09/25,527.00 = 13,202.68/x
  3. Step 3: Cross multiply
    18,517.09x = 25,527.00 × 13,202.68
  4. Step 4: Simplify right side
    18,517.09x = 337,024,618.71
  5. Step 5: Solve for x
    x = 337,024,618.71/18,517.09
  6. Step 6: Final answer
    x = 18,200.74

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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.