Home / 16,956.57-25,431.40-6,423.00

Finding the Fourth Proportional to 16,956.57, 25,431.40 and 6,423.00

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Solution

The fourth proportional to 16,956.57, 25,431.40 and 6,423.00 is: 9,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.57 : 25,431.40 = 6,423.00 : x
  2. Step 2: Convert to fraction form
    16,956.57/25,431.40 = 6,423.00/x
  3. Step 3: Cross multiply
    16,956.57x = 25,431.40 × 6,423.00
  4. Step 4: Simplify right side
    16,956.57x = 163,345,794.86
  5. Step 5: Solve for x
    x = 163,345,794.86/16,956.57
  6. Step 6: Final answer
    x = 9,633.18

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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.