Home / 18,580.56-25,633.87-10,618.51

Finding the Fourth Proportional to 18,580.56, 25,633.87 and 10,618.51

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Solution

The fourth proportional to 18,580.56, 25,633.87 and 10,618.51 is: 14,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.56 : 25,633.87 = 10,618.51 : x
  2. Step 2: Convert to fraction form
    18,580.56/25,633.87 = 10,618.51/x
  3. Step 3: Cross multiply
    18,580.56x = 25,633.87 × 10,618.51
  4. Step 4: Simplify right side
    18,580.56x = 272,193,504.93
  5. Step 5: Solve for x
    x = 272,193,504.93/18,580.56
  6. Step 6: Final answer
    x = 14,649.37

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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.