Home / 13,040.02-19,562.87-4,274.61

Finding the Fourth Proportional to 13,040.02, 19,562.87 and 4,274.61

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Solution

The fourth proportional to 13,040.02, 19,562.87 and 4,274.61 is: 6,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.02 : 19,562.87 = 4,274.61 : x
  2. Step 2: Convert to fraction form
    13,040.02/19,562.87 = 4,274.61/x
  3. Step 3: Cross multiply
    13,040.02x = 19,562.87 × 4,274.61
  4. Step 4: Simplify right side
    13,040.02x = 83,623,639.73
  5. Step 5: Solve for x
    x = 83,623,639.73/13,040.02
  6. Step 6: Final answer
    x = 6,412.85

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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.