Home / 16,853.40-25,272.72-5,757.12

Finding the Fourth Proportional to 16,853.40, 25,272.72 and 5,757.12

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Solution

The fourth proportional to 16,853.40, 25,272.72 and 5,757.12 is: 8,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.40 : 25,272.72 = 5,757.12 : x
  2. Step 2: Convert to fraction form
    16,853.40/25,272.72 = 5,757.12/x
  3. Step 3: Cross multiply
    16,853.40x = 25,272.72 × 5,757.12
  4. Step 4: Simplify right side
    16,853.40x = 145,498,081.77
  5. Step 5: Solve for x
    x = 145,498,081.77/16,853.40
  6. Step 6: Final answer
    x = 8,633.16

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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.