Home / 19,289.28-28,919.36-6,803.84

Finding the Fourth Proportional to 19,289.28, 28,919.36 and 6,803.84

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Solution

The fourth proportional to 19,289.28, 28,919.36 and 6,803.84 is: 10,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.28 : 28,919.36 = 6,803.84 : x
  2. Step 2: Convert to fraction form
    19,289.28/28,919.36 = 6,803.84/x
  3. Step 3: Cross multiply
    19,289.28x = 28,919.36 × 6,803.84
  4. Step 4: Simplify right side
    19,289.28x = 196,762,698.34
  5. Step 5: Solve for x
    x = 196,762,698.34/19,289.28
  6. Step 6: Final answer
    x = 10,200.62

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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.