Home / 14,031.72-21,051.54-4,171.41

Finding the Fourth Proportional to 14,031.72, 21,051.54 and 4,171.41

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Solution

The fourth proportional to 14,031.72, 21,051.54 and 4,171.41 is: 6,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.72 : 21,051.54 = 4,171.41 : x
  2. Step 2: Convert to fraction form
    14,031.72/21,051.54 = 4,171.41/x
  3. Step 3: Cross multiply
    14,031.72x = 21,051.54 × 4,171.41
  4. Step 4: Simplify right side
    14,031.72x = 87,814,604.47
  5. Step 5: Solve for x
    x = 87,814,604.47/14,031.72
  6. Step 6: Final answer
    x = 6,258.29

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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.