Home / 19,726.46-27,222.45-11,769.02

Finding the Fourth Proportional to 19,726.46, 27,222.45 and 11,769.02

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Solution

The fourth proportional to 19,726.46, 27,222.45 and 11,769.02 is: 16,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.46 : 27,222.45 = 11,769.02 : x
  2. Step 2: Convert to fraction form
    19,726.46/27,222.45 = 11,769.02/x
  3. Step 3: Cross multiply
    19,726.46x = 27,222.45 × 11,769.02
  4. Step 4: Simplify right side
    19,726.46x = 320,381,558.50
  5. Step 5: Solve for x
    x = 320,381,558.50/19,726.46
  6. Step 6: Final answer
    x = 16,241.21

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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.