Home / 14,711.20-22,047.60-6,812.80

Finding the Fourth Proportional to 14,711.20, 22,047.60 and 6,812.80

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Solution

The fourth proportional to 14,711.20, 22,047.60 and 6,812.80 is: 10,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.20 : 22,047.60 = 6,812.80 : x
  2. Step 2: Convert to fraction form
    14,711.20/22,047.60 = 6,812.80/x
  3. Step 3: Cross multiply
    14,711.20x = 22,047.60 × 6,812.80
  4. Step 4: Simplify right side
    14,711.20x = 150,205,889.28
  5. Step 5: Solve for x
    x = 150,205,889.28/14,711.20
  6. Step 6: Final answer
    x = 10,210.31

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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.