Home / 21,483.04-29,630.64-17,229.44

Finding the Fourth Proportional to 21,483.04, 29,630.64 and 17,229.44

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Solution

The fourth proportional to 21,483.04, 29,630.64 and 17,229.44 is: 23,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.04 : 29,630.64 = 17,229.44 : x
  2. Step 2: Convert to fraction form
    21,483.04/29,630.64 = 17,229.44/x
  3. Step 3: Cross multiply
    21,483.04x = 29,630.64 × 17,229.44
  4. Step 4: Simplify right side
    21,483.04x = 510,519,334.04
  5. Step 5: Solve for x
    x = 510,519,334.04/21,483.04
  6. Step 6: Final answer
    x = 23,763.83

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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.