Home / 14,226.80-21,340.20-4,992.80

Finding the Fourth Proportional to 14,226.80, 21,340.20 and 4,992.80

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Solution

The fourth proportional to 14,226.80, 21,340.20 and 4,992.80 is: 7,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.80 : 21,340.20 = 4,992.80 : x
  2. Step 2: Convert to fraction form
    14,226.80/21,340.20 = 4,992.80/x
  3. Step 3: Cross multiply
    14,226.80x = 21,340.20 × 4,992.80
  4. Step 4: Simplify right side
    14,226.80x = 106,547,350.56
  5. Step 5: Solve for x
    x = 106,547,350.56/14,226.80
  6. Step 6: Final answer
    x = 7,489.20

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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.