Home / 13,367.28-20,086.56-12,526.56

Finding the Fourth Proportional to 13,367.28, 20,086.56 and 12,526.56

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Solution

The fourth proportional to 13,367.28, 20,086.56 and 12,526.56 is: 18,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.28 : 20,086.56 = 12,526.56 : x
  2. Step 2: Convert to fraction form
    13,367.28/20,086.56 = 12,526.56/x
  3. Step 3: Cross multiply
    13,367.28x = 20,086.56 × 12,526.56
  4. Step 4: Simplify right side
    13,367.28x = 251,615,499.03
  5. Step 5: Solve for x
    x = 251,615,499.03/13,367.28
  6. Step 6: Final answer
    x = 18,823.24

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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.