Home / 19,527.89-26,951.16-11,972.88

Finding the Fourth Proportional to 19,527.89, 26,951.16 and 11,972.88

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Solution

The fourth proportional to 19,527.89, 26,951.16 and 11,972.88 is: 16,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.89 : 26,951.16 = 11,972.88 : x
  2. Step 2: Convert to fraction form
    19,527.89/26,951.16 = 11,972.88/x
  3. Step 3: Cross multiply
    19,527.89x = 26,951.16 × 11,972.88
  4. Step 4: Simplify right side
    19,527.89x = 322,683,049.44
  5. Step 5: Solve for x
    x = 322,683,049.44/19,527.89
  6. Step 6: Final answer
    x = 16,524.22

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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.