Home / 18,584.54-25,645.74-11,031.20

Finding the Fourth Proportional to 18,584.54, 25,645.74 and 11,031.20

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Solution

The fourth proportional to 18,584.54, 25,645.74 and 11,031.20 is: 15,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.54 : 25,645.74 = 11,031.20 : x
  2. Step 2: Convert to fraction form
    18,584.54/25,645.74 = 11,031.20/x
  3. Step 3: Cross multiply
    18,584.54x = 25,645.74 × 11,031.20
  4. Step 4: Simplify right side
    18,584.54x = 282,903,287.09
  5. Step 5: Solve for x
    x = 282,903,287.09/18,584.54
  6. Step 6: Final answer
    x = 15,222.51

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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.