Home / 17,221.28-23,782.04-14,841.12

Finding the Fourth Proportional to 17,221.28, 23,782.04 and 14,841.12

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Solution

The fourth proportional to 17,221.28, 23,782.04 and 14,841.12 is: 20,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.28 : 23,782.04 = 14,841.12 : x
  2. Step 2: Convert to fraction form
    17,221.28/23,782.04 = 14,841.12/x
  3. Step 3: Cross multiply
    17,221.28x = 23,782.04 × 14,841.12
  4. Step 4: Simplify right side
    17,221.28x = 352,952,109.48
  5. Step 5: Solve for x
    x = 352,952,109.48/17,221.28
  6. Step 6: Final answer
    x = 20,495.11

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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.