Home / 14,794.28-20,412.74-8,824.78

Finding the Fourth Proportional to 14,794.28, 20,412.74 and 8,824.78

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Solution

The fourth proportional to 14,794.28, 20,412.74 and 8,824.78 is: 12,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.28 : 20,412.74 = 8,824.78 : x
  2. Step 2: Convert to fraction form
    14,794.28/20,412.74 = 8,824.78/x
  3. Step 3: Cross multiply
    14,794.28x = 20,412.74 × 8,824.78
  4. Step 4: Simplify right side
    14,794.28x = 180,137,987.28
  5. Step 5: Solve for x
    x = 180,137,987.28/14,794.28
  6. Step 6: Final answer
    x = 12,176.19

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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.