Home / 21,651.03-29,869.56-14,579.73

Finding the Fourth Proportional to 21,651.03, 29,869.56 and 14,579.73

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Solution

The fourth proportional to 21,651.03, 29,869.56 and 14,579.73 is: 20,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.03 : 29,869.56 = 14,579.73 : x
  2. Step 2: Convert to fraction form
    21,651.03/29,869.56 = 14,579.73/x
  3. Step 3: Cross multiply
    21,651.03x = 29,869.56 × 14,579.73
  4. Step 4: Simplify right side
    21,651.03x = 435,490,120.02
  5. Step 5: Solve for x
    x = 435,490,120.02/21,651.03
  6. Step 6: Final answer
    x = 20,114.06

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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.