Home / 21,467.08-32,209.80-11,086.12

Finding the Fourth Proportional to 21,467.08, 32,209.80 and 11,086.12

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Solution

The fourth proportional to 21,467.08, 32,209.80 and 11,086.12 is: 16,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.08 : 32,209.80 = 11,086.12 : x
  2. Step 2: Convert to fraction form
    21,467.08/32,209.80 = 11,086.12/x
  3. Step 3: Cross multiply
    21,467.08x = 32,209.80 × 11,086.12
  4. Step 4: Simplify right side
    21,467.08x = 357,081,707.98
  5. Step 5: Solve for x
    x = 357,081,707.98/21,467.08
  6. Step 6: Final answer
    x = 16,633.92

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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.