Home / 14,103.54-21,158.10-6,312.42

Finding the Fourth Proportional to 14,103.54, 21,158.10 and 6,312.42

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Solution

The fourth proportional to 14,103.54, 21,158.10 and 6,312.42 is: 9,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.54 : 21,158.10 = 6,312.42 : x
  2. Step 2: Convert to fraction form
    14,103.54/21,158.10 = 6,312.42/x
  3. Step 3: Cross multiply
    14,103.54x = 21,158.10 × 6,312.42
  4. Step 4: Simplify right side
    14,103.54x = 133,558,813.60
  5. Step 5: Solve for x
    x = 133,558,813.60/14,103.54
  6. Step 6: Final answer
    x = 9,469.88

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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.