Home / 19,011.11-28,526.83-10,691.70

Finding the Fourth Proportional to 19,011.11, 28,526.83 and 10,691.70

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Solution

The fourth proportional to 19,011.11, 28,526.83 and 10,691.70 is: 16,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.11 : 28,526.83 = 10,691.70 : x
  2. Step 2: Convert to fraction form
    19,011.11/28,526.83 = 10,691.70/x
  3. Step 3: Cross multiply
    19,011.11x = 28,526.83 × 10,691.70
  4. Step 4: Simplify right side
    19,011.11x = 305,000,234.75
  5. Step 5: Solve for x
    x = 305,000,234.75/19,011.11
  6. Step 6: Final answer
    x = 16,043.27

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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.