Home / 14,419.35-21,634.29-5,660.28

Finding the Fourth Proportional to 14,419.35, 21,634.29 and 5,660.28

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Solution

The fourth proportional to 14,419.35, 21,634.29 and 5,660.28 is: 8,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.35 : 21,634.29 = 5,660.28 : x
  2. Step 2: Convert to fraction form
    14,419.35/21,634.29 = 5,660.28/x
  3. Step 3: Cross multiply
    14,419.35x = 21,634.29 × 5,660.28
  4. Step 4: Simplify right side
    14,419.35x = 122,456,139.00
  5. Step 5: Solve for x
    x = 122,456,139.00/14,419.35
  6. Step 6: Final answer
    x = 8,492.49

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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.