Home / 16,885.70-25,327.62-8,565.49

Finding the Fourth Proportional to 16,885.70, 25,327.62 and 8,565.49

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Solution

The fourth proportional to 16,885.70, 25,327.62 and 8,565.49 is: 12,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.70 : 25,327.62 = 8,565.49 : x
  2. Step 2: Convert to fraction form
    16,885.70/25,327.62 = 8,565.49/x
  3. Step 3: Cross multiply
    16,885.70x = 25,327.62 × 8,565.49
  4. Step 4: Simplify right side
    16,885.70x = 216,943,507.49
  5. Step 5: Solve for x
    x = 216,943,507.49/16,885.70
  6. Step 6: Final answer
    x = 12,847.77

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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.