Home / 14,157.24-21,179.97-12,495.12

Finding the Fourth Proportional to 14,157.24, 21,179.97 and 12,495.12

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Solution

The fourth proportional to 14,157.24, 21,179.97 and 12,495.12 is: 18,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.24 : 21,179.97 = 12,495.12 : x
  2. Step 2: Convert to fraction form
    14,157.24/21,179.97 = 12,495.12/x
  3. Step 3: Cross multiply
    14,157.24x = 21,179.97 × 12,495.12
  4. Step 4: Simplify right side
    14,157.24x = 264,646,266.75
  5. Step 5: Solve for x
    x = 264,646,266.75/14,157.24
  6. Step 6: Final answer
    x = 18,693.35

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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.