Home / 14,711.36-20,299.52-8,743.28

Finding the Fourth Proportional to 14,711.36, 20,299.52 and 8,743.28

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Solution

The fourth proportional to 14,711.36, 20,299.52 and 8,743.28 is: 12,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.36 : 20,299.52 = 8,743.28 : x
  2. Step 2: Convert to fraction form
    14,711.36/20,299.52 = 8,743.28/x
  3. Step 3: Cross multiply
    14,711.36x = 20,299.52 × 8,743.28
  4. Step 4: Simplify right side
    14,711.36x = 177,484,387.23
  5. Step 5: Solve for x
    x = 177,484,387.23/14,711.36
  6. Step 6: Final answer
    x = 12,064.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.