Home / 14,184.80-21,277.20-4,950.80

Finding the Fourth Proportional to 14,184.80, 21,277.20 and 4,950.80

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Solution

The fourth proportional to 14,184.80, 21,277.20 and 4,950.80 is: 7,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.80 : 21,277.20 = 4,950.80 : x
  2. Step 2: Convert to fraction form
    14,184.80/21,277.20 = 4,950.80/x
  3. Step 3: Cross multiply
    14,184.80x = 21,277.20 × 4,950.80
  4. Step 4: Simplify right side
    14,184.80x = 105,339,161.76
  5. Step 5: Solve for x
    x = 105,339,161.76/14,184.80
  6. Step 6: Final answer
    x = 7,426.20

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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.