Home / 13,401.94-20,108.38-4,643.02

Finding the Fourth Proportional to 13,401.94, 20,108.38 and 4,643.02

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Solution

The fourth proportional to 13,401.94, 20,108.38 and 4,643.02 is: 6,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.94 : 20,108.38 = 4,643.02 : x
  2. Step 2: Convert to fraction form
    13,401.94/20,108.38 = 4,643.02/x
  3. Step 3: Cross multiply
    13,401.94x = 20,108.38 × 4,643.02
  4. Step 4: Simplify right side
    13,401.94x = 93,363,610.51
  5. Step 5: Solve for x
    x = 93,363,610.51/13,401.94
  6. Step 6: Final answer
    x = 6,966.43

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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.