Home / 18,224.89-25,161.27-11,948.20

Finding the Fourth Proportional to 18,224.89, 25,161.27 and 11,948.20

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Solution

The fourth proportional to 18,224.89, 25,161.27 and 11,948.20 is: 16,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.89 : 25,161.27 = 11,948.20 : x
  2. Step 2: Convert to fraction form
    18,224.89/25,161.27 = 11,948.20/x
  3. Step 3: Cross multiply
    18,224.89x = 25,161.27 × 11,948.20
  4. Step 4: Simplify right side
    18,224.89x = 300,631,886.21
  5. Step 5: Solve for x
    x = 300,631,886.21/18,224.89
  6. Step 6: Final answer
    x = 16,495.68

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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.