Home / 14,146.68-21,220.01-3,616.72

Finding the Fourth Proportional to 14,146.68, 21,220.01 and 3,616.72

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Solution

The fourth proportional to 14,146.68, 21,220.01 and 3,616.72 is: 5,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.68 : 21,220.01 = 3,616.72 : x
  2. Step 2: Convert to fraction form
    14,146.68/21,220.01 = 3,616.72/x
  3. Step 3: Cross multiply
    14,146.68x = 21,220.01 × 3,616.72
  4. Step 4: Simplify right side
    14,146.68x = 76,746,777.00
  5. Step 5: Solve for x
    x = 76,746,777.00/14,146.68
  6. Step 6: Final answer
    x = 5,425.07

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1.5x scale

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.