Home / 18,573.22-25,631.37-10,189.78

Finding the Fourth Proportional to 18,573.22, 25,631.37 and 10,189.78

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Solution

The fourth proportional to 18,573.22, 25,631.37 and 10,189.78 is: 14,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.22 : 25,631.37 = 10,189.78 : x
  2. Step 2: Convert to fraction form
    18,573.22/25,631.37 = 10,189.78/x
  3. Step 3: Cross multiply
    18,573.22x = 25,631.37 × 10,189.78
  4. Step 4: Simplify right side
    18,573.22x = 261,178,021.40
  5. Step 5: Solve for x
    x = 261,178,021.40/18,573.22
  6. Step 6: Final answer
    x = 14,062.08

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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.