Home / 20,225.69-27,909.15-11,726.04

Finding the Fourth Proportional to 20,225.69, 27,909.15 and 11,726.04

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Solution

The fourth proportional to 20,225.69, 27,909.15 and 11,726.04 is: 16,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.69 : 27,909.15 = 11,726.04 : x
  2. Step 2: Convert to fraction form
    20,225.69/27,909.15 = 11,726.04/x
  3. Step 3: Cross multiply
    20,225.69x = 27,909.15 × 11,726.04
  4. Step 4: Simplify right side
    20,225.69x = 327,263,765.29
  5. Step 5: Solve for x
    x = 327,263,765.29/20,225.69
  6. Step 6: Final answer
    x = 16,180.60

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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.