Home / 20,527.11-28,325.79-12,028.14

Finding the Fourth Proportional to 20,527.11, 28,325.79 and 12,028.14

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Solution

The fourth proportional to 20,527.11, 28,325.79 and 12,028.14 is: 16,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.11 : 28,325.79 = 12,028.14 : x
  2. Step 2: Convert to fraction form
    20,527.11/28,325.79 = 12,028.14/x
  3. Step 3: Cross multiply
    20,527.11x = 28,325.79 × 12,028.14
  4. Step 4: Simplify right side
    20,527.11x = 340,706,567.73
  5. Step 5: Solve for x
    x = 340,706,567.73/20,527.11
  6. Step 6: Final answer
    x = 16,597.88

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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.