Home / 14,153.18-21,229.98-5,388.58

Finding the Fourth Proportional to 14,153.18, 21,229.98 and 5,388.58

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Solution

The fourth proportional to 14,153.18, 21,229.98 and 5,388.58 is: 8,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.18 : 21,229.98 = 5,388.58 : x
  2. Step 2: Convert to fraction form
    14,153.18/21,229.98 = 5,388.58/x
  3. Step 3: Cross multiply
    14,153.18x = 21,229.98 × 5,388.58
  4. Step 4: Simplify right side
    14,153.18x = 114,399,392.55
  5. Step 5: Solve for x
    x = 114,399,392.55/14,153.18
  6. Step 6: Final answer
    x = 8,082.94

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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.