Home / 18,600.09-25,667.87-11,528.25

Finding the Fourth Proportional to 18,600.09, 25,667.87 and 11,528.25

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Solution

The fourth proportional to 18,600.09, 25,667.87 and 11,528.25 is: 15,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.09 : 25,667.87 = 11,528.25 : x
  2. Step 2: Convert to fraction form
    18,600.09/25,667.87 = 11,528.25/x
  3. Step 3: Cross multiply
    18,600.09x = 25,667.87 × 11,528.25
  4. Step 4: Simplify right side
    18,600.09x = 295,905,564.69
  5. Step 5: Solve for x
    x = 295,905,564.69/18,600.09
  6. Step 6: Final answer
    x = 15,908.82

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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.