Home / 18,519.36-25,568.64-16,526.49

Finding the Fourth Proportional to 18,519.36, 25,568.64 and 16,526.49

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Solution

The fourth proportional to 18,519.36, 25,568.64 and 16,526.49 is: 22,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.36 : 25,568.64 = 16,526.49 : x
  2. Step 2: Convert to fraction form
    18,519.36/25,568.64 = 16,526.49/x
  3. Step 3: Cross multiply
    18,519.36x = 25,568.64 × 16,526.49
  4. Step 4: Simplify right side
    18,519.36x = 422,559,873.27
  5. Step 5: Solve for x
    x = 422,559,873.27/18,519.36
  6. Step 6: Final answer
    x = 22,817.20

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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.