Home / 18,766.69-25,892.93-11,209.66

Finding the Fourth Proportional to 18,766.69, 25,892.93 and 11,209.66

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Solution

The fourth proportional to 18,766.69, 25,892.93 and 11,209.66 is: 15,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.69 : 25,892.93 = 11,209.66 : x
  2. Step 2: Convert to fraction form
    18,766.69/25,892.93 = 11,209.66/x
  3. Step 3: Cross multiply
    18,766.69x = 25,892.93 × 11,209.66
  4. Step 4: Simplify right side
    18,766.69x = 290,250,905.00
  5. Step 5: Solve for x
    x = 290,250,905.00/18,766.69
  6. Step 6: Final answer
    x = 15,466.28

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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.