Home / 25,437.96-38,147.36-10,647.90

Finding the Fourth Proportional to 25,437.96, 38,147.36 and 10,647.90

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Solution

The fourth proportional to 25,437.96, 38,147.36 and 10,647.90 is: 15,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.96 : 38,147.36 = 10,647.90 : x
  2. Step 2: Convert to fraction form
    25,437.96/38,147.36 = 10,647.90/x
  3. Step 3: Cross multiply
    25,437.96x = 38,147.36 × 10,647.90
  4. Step 4: Simplify right side
    25,437.96x = 406,189,221.30
  5. Step 5: Solve for x
    x = 406,189,221.30/25,437.96
  6. Step 6: Final answer
    x = 15,967.84

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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.