Home / 16,857.09-25,271.91-6,321.20

Finding the Fourth Proportional to 16,857.09, 25,271.91 and 6,321.20

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Solution

The fourth proportional to 16,857.09, 25,271.91 and 6,321.20 is: 9,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.09 : 25,271.91 = 6,321.20 : x
  2. Step 2: Convert to fraction form
    16,857.09/25,271.91 = 6,321.20/x
  3. Step 3: Cross multiply
    16,857.09x = 25,271.91 × 6,321.20
  4. Step 4: Simplify right side
    16,857.09x = 159,748,671.13
  5. Step 5: Solve for x
    x = 159,748,671.13/16,857.09
  6. Step 6: Final answer
    x = 9,476.65

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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.