Home / 16,864.20-23,272.92-9,788.04

Finding the Fourth Proportional to 16,864.20, 23,272.92 and 9,788.04

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Solution

The fourth proportional to 16,864.20, 23,272.92 and 9,788.04 is: 13,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.20 : 23,272.92 = 9,788.04 : x
  2. Step 2: Convert to fraction form
    16,864.20/23,272.92 = 9,788.04/x
  3. Step 3: Cross multiply
    16,864.20x = 23,272.92 × 9,788.04
  4. Step 4: Simplify right side
    16,864.20x = 227,796,271.88
  5. Step 5: Solve for x
    x = 227,796,271.88/16,864.20
  6. Step 6: Final answer
    x = 13,507.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.