Home / 16,825.28-25,209.18-11,885.39

Finding the Fourth Proportional to 16,825.28, 25,209.18 and 11,885.39

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Solution

The fourth proportional to 16,825.28, 25,209.18 and 11,885.39 is: 17,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.28 : 25,209.18 = 11,885.39 : x
  2. Step 2: Convert to fraction form
    16,825.28/25,209.18 = 11,885.39/x
  3. Step 3: Cross multiply
    16,825.28x = 25,209.18 × 11,885.39
  4. Step 4: Simplify right side
    16,825.28x = 299,620,809.83
  5. Step 5: Solve for x
    x = 299,620,809.83/16,825.28
  6. Step 6: Final answer
    x = 17,807.78

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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.