Home / 20,892.67-28,832.33-11,461.23

Finding the Fourth Proportional to 20,892.67, 28,832.33 and 11,461.23

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Solution

The fourth proportional to 20,892.67, 28,832.33 and 11,461.23 is: 15,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.67 : 28,832.33 = 11,461.23 : x
  2. Step 2: Convert to fraction form
    20,892.67/28,832.33 = 11,461.23/x
  3. Step 3: Cross multiply
    20,892.67x = 28,832.33 × 11,461.23
  4. Step 4: Simplify right side
    20,892.67x = 330,453,994.22
  5. Step 5: Solve for x
    x = 330,453,994.22/20,892.67
  6. Step 6: Final answer
    x = 15,816.75

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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.