Home / 16,813.32-25,239.12-8,502.72

Finding the Fourth Proportional to 16,813.32, 25,239.12 and 8,502.72

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Solution

The fourth proportional to 16,813.32, 25,239.12 and 8,502.72 is: 12,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.32 : 25,239.12 = 8,502.72 : x
  2. Step 2: Convert to fraction form
    16,813.32/25,239.12 = 8,502.72/x
  3. Step 3: Cross multiply
    16,813.32x = 25,239.12 × 8,502.72
  4. Step 4: Simplify right side
    16,813.32x = 214,601,127.89
  5. Step 5: Solve for x
    x = 214,601,127.89/16,813.32
  6. Step 6: Final answer
    x = 12,763.76

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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.