Home / 17,449.72-26,164.63-11,909.77

Finding the Fourth Proportional to 17,449.72, 26,164.63 and 11,909.77

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Solution

The fourth proportional to 17,449.72, 26,164.63 and 11,909.77 is: 17,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.72 : 26,164.63 = 11,909.77 : x
  2. Step 2: Convert to fraction form
    17,449.72/26,164.63 = 11,909.77/x
  3. Step 3: Cross multiply
    17,449.72x = 26,164.63 × 11,909.77
  4. Step 4: Simplify right side
    17,449.72x = 311,614,674.91
  5. Step 5: Solve for x
    x = 311,614,674.91/17,449.72
  6. Step 6: Final answer
    x = 17,857.86

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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.