Home / 16,239.79-22,401.16-9,863.14

Finding the Fourth Proportional to 16,239.79, 22,401.16 and 9,863.14

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Solution

The fourth proportional to 16,239.79, 22,401.16 and 9,863.14 is: 13,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.79 : 22,401.16 = 9,863.14 : x
  2. Step 2: Convert to fraction form
    16,239.79/22,401.16 = 9,863.14/x
  3. Step 3: Cross multiply
    16,239.79x = 22,401.16 × 9,863.14
  4. Step 4: Simplify right side
    16,239.79x = 220,945,615.92
  5. Step 5: Solve for x
    x = 220,945,615.92/16,239.79
  6. Step 6: Final answer
    x = 13,605.21

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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.