Home / 14,976.20-22,424.70-12,000.80

Finding the Fourth Proportional to 14,976.20, 22,424.70 and 12,000.80

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Solution

The fourth proportional to 14,976.20, 22,424.70 and 12,000.80 is: 17,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.20 : 22,424.70 = 12,000.80 : x
  2. Step 2: Convert to fraction form
    14,976.20/22,424.70 = 12,000.80/x
  3. Step 3: Cross multiply
    14,976.20x = 22,424.70 × 12,000.80
  4. Step 4: Simplify right side
    14,976.20x = 269,114,339.76
  5. Step 5: Solve for x
    x = 269,114,339.76/14,976.20
  6. Step 6: Final answer
    x = 17,969.47

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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.