Home / 14,771.14-20,384.34-8,056.72

Finding the Fourth Proportional to 14,771.14, 20,384.34 and 8,056.72

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Solution

The fourth proportional to 14,771.14, 20,384.34 and 8,056.72 is: 11,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.14 : 20,384.34 = 8,056.72 : x
  2. Step 2: Convert to fraction form
    14,771.14/20,384.34 = 8,056.72/x
  3. Step 3: Cross multiply
    14,771.14x = 20,384.34 × 8,056.72
  4. Step 4: Simplify right side
    14,771.14x = 164,230,919.76
  5. Step 5: Solve for x
    x = 164,230,919.76/14,771.14
  6. Step 6: Final answer
    x = 11,118.36

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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.