Home / 25,109.79-37,670.15-11,944.05

Finding the Fourth Proportional to 25,109.79, 37,670.15 and 11,944.05

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Solution

The fourth proportional to 25,109.79, 37,670.15 and 11,944.05 is: 17,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.79 : 37,670.15 = 11,944.05 : x
  2. Step 2: Convert to fraction form
    25,109.79/37,670.15 = 11,944.05/x
  3. Step 3: Cross multiply
    25,109.79x = 37,670.15 × 11,944.05
  4. Step 4: Simplify right side
    25,109.79x = 449,934,155.11
  5. Step 5: Solve for x
    x = 449,934,155.11/25,109.79
  6. Step 6: Final answer
    x = 17,918.67

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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.