Home / 14,439.12-21,630.25-9,493.66

Finding the Fourth Proportional to 14,439.12, 21,630.25 and 9,493.66

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Solution

The fourth proportional to 14,439.12, 21,630.25 and 9,493.66 is: 14,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.12 : 21,630.25 = 9,493.66 : x
  2. Step 2: Convert to fraction form
    14,439.12/21,630.25 = 9,493.66/x
  3. Step 3: Cross multiply
    14,439.12x = 21,630.25 × 9,493.66
  4. Step 4: Simplify right side
    14,439.12x = 205,350,239.22
  5. Step 5: Solve for x
    x = 205,350,239.22/14,439.12
  6. Step 6: Final answer
    x = 14,221.80

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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.