Home / 14,003.75-19,324.99-7,630.61

Finding the Fourth Proportional to 14,003.75, 19,324.99 and 7,630.61

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Solution

The fourth proportional to 14,003.75, 19,324.99 and 7,630.61 is: 10,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.75 : 19,324.99 = 7,630.61 : x
  2. Step 2: Convert to fraction form
    14,003.75/19,324.99 = 7,630.61/x
  3. Step 3: Cross multiply
    14,003.75x = 19,324.99 × 7,630.61
  4. Step 4: Simplify right side
    14,003.75x = 147,461,461.94
  5. Step 5: Solve for x
    x = 147,461,461.94/14,003.75
  6. Step 6: Final answer
    x = 10,530.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.