Home / 14,116.88-21,174.42-4,256.48

Finding the Fourth Proportional to 14,116.88, 21,174.42 and 4,256.48

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Solution

The fourth proportional to 14,116.88, 21,174.42 and 4,256.48 is: 6,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.88 : 21,174.42 = 4,256.48 : x
  2. Step 2: Convert to fraction form
    14,116.88/21,174.42 = 4,256.48/x
  3. Step 3: Cross multiply
    14,116.88x = 21,174.42 × 4,256.48
  4. Step 4: Simplify right side
    14,116.88x = 90,128,495.24
  5. Step 5: Solve for x
    x = 90,128,495.24/14,116.88
  6. Step 6: Final answer
    x = 6,384.45

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Similar ratio
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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.