Home / 14,295.20-19,727.28-8,007.20

Finding the Fourth Proportional to 14,295.20, 19,727.28 and 8,007.20

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Solution

The fourth proportional to 14,295.20, 19,727.28 and 8,007.20 is: 11,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.20 : 19,727.28 = 8,007.20 : x
  2. Step 2: Convert to fraction form
    14,295.20/19,727.28 = 8,007.20/x
  3. Step 3: Cross multiply
    14,295.20x = 19,727.28 × 8,007.20
  4. Step 4: Simplify right side
    14,295.20x = 157,960,276.42
  5. Step 5: Solve for x
    x = 157,960,276.42/14,295.20
  6. Step 6: Final answer
    x = 11,049.88

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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.