Home / 14,771.88-20,384.39-8,484.26

Finding the Fourth Proportional to 14,771.88, 20,384.39 and 8,484.26

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Solution

The fourth proportional to 14,771.88, 20,384.39 and 8,484.26 is: 11,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.88 : 20,384.39 = 8,484.26 : x
  2. Step 2: Convert to fraction form
    14,771.88/20,384.39 = 8,484.26/x
  3. Step 3: Cross multiply
    14,771.88x = 20,384.39 × 8,484.26
  4. Step 4: Simplify right side
    14,771.88x = 172,946,383.99
  5. Step 5: Solve for x
    x = 172,946,383.99/14,771.88
  6. Step 6: Final answer
    x = 11,707.81

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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.