Home / 19,267.28-28,900.61-6,119.49

Finding the Fourth Proportional to 19,267.28, 28,900.61 and 6,119.49

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Solution

The fourth proportional to 19,267.28, 28,900.61 and 6,119.49 is: 9,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.28 : 28,900.61 = 6,119.49 : x
  2. Step 2: Convert to fraction form
    19,267.28/28,900.61 = 6,119.49/x
  3. Step 3: Cross multiply
    19,267.28x = 28,900.61 × 6,119.49
  4. Step 4: Simplify right side
    19,267.28x = 176,856,993.89
  5. Step 5: Solve for x
    x = 176,856,993.89/19,267.28
  6. Step 6: Final answer
    x = 9,179.14

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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.