Home / 13,937.61-19,234.22-7,650.03

Finding the Fourth Proportional to 13,937.61, 19,234.22 and 7,650.03

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Solution

The fourth proportional to 13,937.61, 19,234.22 and 7,650.03 is: 10,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.61 : 19,234.22 = 7,650.03 : x
  2. Step 2: Convert to fraction form
    13,937.61/19,234.22 = 7,650.03/x
  3. Step 3: Cross multiply
    13,937.61x = 19,234.22 × 7,650.03
  4. Step 4: Simplify right side
    13,937.61x = 147,142,321.78
  5. Step 5: Solve for x
    x = 147,142,321.78/13,937.61
  6. Step 6: Final answer
    x = 10,557.21

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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.