Home / 19,951.04-27,543.68-13,245.84

Finding the Fourth Proportional to 19,951.04, 27,543.68 and 13,245.84

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Solution

The fourth proportional to 19,951.04, 27,543.68 and 13,245.84 is: 18,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.04 : 27,543.68 = 13,245.84 : x
  2. Step 2: Convert to fraction form
    19,951.04/27,543.68 = 13,245.84/x
  3. Step 3: Cross multiply
    19,951.04x = 27,543.68 × 13,245.84
  4. Step 4: Simplify right side
    19,951.04x = 364,839,211.41
  5. Step 5: Solve for x
    x = 364,839,211.41/19,951.04
  6. Step 6: Final answer
    x = 18,286.72

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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.