Home / 25,189.68-37,774.96-7,415.45

Finding the Fourth Proportional to 25,189.68, 37,774.96 and 7,415.45

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Solution

The fourth proportional to 25,189.68, 37,774.96 and 7,415.45 is: 11,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.68 : 37,774.96 = 7,415.45 : x
  2. Step 2: Convert to fraction form
    25,189.68/37,774.96 = 7,415.45/x
  3. Step 3: Cross multiply
    25,189.68x = 37,774.96 × 7,415.45
  4. Step 4: Simplify right side
    25,189.68x = 280,118,261.37
  5. Step 5: Solve for x
    x = 280,118,261.37/25,189.68
  6. Step 6: Final answer
    x = 11,120.36

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1.5x scale

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.