Home / 25,475.19-38,157.03-18,057.15

Finding the Fourth Proportional to 25,475.19, 38,157.03 and 18,057.15

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Solution

The fourth proportional to 25,475.19, 38,157.03 and 18,057.15 is: 27,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.19 : 38,157.03 = 18,057.15 : x
  2. Step 2: Convert to fraction form
    25,475.19/38,157.03 = 18,057.15/x
  3. Step 3: Cross multiply
    25,475.19x = 38,157.03 × 18,057.15
  4. Step 4: Simplify right side
    25,475.19x = 689,007,214.26
  5. Step 5: Solve for x
    x = 689,007,214.26/25,475.19
  6. Step 6: Final answer
    x = 27,046.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.