Home / 18,224.81-25,149.59-11,055.54

Finding the Fourth Proportional to 18,224.81, 25,149.59 and 11,055.54

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Solution

The fourth proportional to 18,224.81, 25,149.59 and 11,055.54 is: 15,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.81 : 25,149.59 = 11,055.54 : x
  2. Step 2: Convert to fraction form
    18,224.81/25,149.59 = 11,055.54/x
  3. Step 3: Cross multiply
    18,224.81x = 25,149.59 × 11,055.54
  4. Step 4: Simplify right side
    18,224.81x = 278,042,242.95
  5. Step 5: Solve for x
    x = 278,042,242.95/18,224.81
  6. Step 6: Final answer
    x = 15,256.25

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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.