Home / 14,919.70-22,389.61-6,154.42

Finding the Fourth Proportional to 14,919.70, 22,389.61 and 6,154.42

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Solution

The fourth proportional to 14,919.70, 22,389.61 and 6,154.42 is: 9,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.70 : 22,389.61 = 6,154.42 : x
  2. Step 2: Convert to fraction form
    14,919.70/22,389.61 = 6,154.42/x
  3. Step 3: Cross multiply
    14,919.70x = 22,389.61 × 6,154.42
  4. Step 4: Simplify right side
    14,919.70x = 137,794,992.22
  5. Step 5: Solve for x
    x = 137,794,992.22/14,919.70
  6. Step 6: Final answer
    x = 9,235.78

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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.