Home / 18,270.92-25,214.10-11,549.54

Finding the Fourth Proportional to 18,270.92, 25,214.10 and 11,549.54

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Solution

The fourth proportional to 18,270.92, 25,214.10 and 11,549.54 is: 15,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.92 : 25,214.10 = 11,549.54 : x
  2. Step 2: Convert to fraction form
    18,270.92/25,214.10 = 11,549.54/x
  3. Step 3: Cross multiply
    18,270.92x = 25,214.10 × 11,549.54
  4. Step 4: Simplify right side
    18,270.92x = 291,211,256.51
  5. Step 5: Solve for x
    x = 291,211,256.51/18,270.92
  6. Step 6: Final answer
    x = 15,938.51

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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.