Home / 18,573.28-25,631.16-10,189.84

Finding the Fourth Proportional to 18,573.28, 25,631.16 and 10,189.84

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Solution

The fourth proportional to 18,573.28, 25,631.16 and 10,189.84 is: 14,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.28 : 25,631.16 = 10,189.84 : x
  2. Step 2: Convert to fraction form
    18,573.28/25,631.16 = 10,189.84/x
  3. Step 3: Cross multiply
    18,573.28x = 25,631.16 × 10,189.84
  4. Step 4: Simplify right side
    18,573.28x = 261,177,419.41
  5. Step 5: Solve for x
    x = 261,177,419.41/18,573.28
  6. Step 6: Final answer
    x = 14,062.00

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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.