Home / 14,416.28-21,622.61-3,887.12

Finding the Fourth Proportional to 14,416.28, 21,622.61 and 3,887.12

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Solution

The fourth proportional to 14,416.28, 21,622.61 and 3,887.12 is: 5,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.28 : 21,622.61 = 3,887.12 : x
  2. Step 2: Convert to fraction form
    14,416.28/21,622.61 = 3,887.12/x
  3. Step 3: Cross multiply
    14,416.28x = 21,622.61 × 3,887.12
  4. Step 4: Simplify right side
    14,416.28x = 84,049,552.23
  5. Step 5: Solve for x
    x = 84,049,552.23/14,416.28
  6. Step 6: Final answer
    x = 5,830.19

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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.