Home / 25,180.66-34,749.54-13,695.67

Finding the Fourth Proportional to 25,180.66, 34,749.54 and 13,695.67

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Solution

The fourth proportional to 25,180.66, 34,749.54 and 13,695.67 is: 18,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.66 : 34,749.54 = 13,695.67 : x
  2. Step 2: Convert to fraction form
    25,180.66/34,749.54 = 13,695.67/x
  3. Step 3: Cross multiply
    25,180.66x = 34,749.54 × 13,695.67
  4. Step 4: Simplify right side
    25,180.66x = 475,918,232.49
  5. Step 5: Solve for x
    x = 475,918,232.49/25,180.66
  6. Step 6: Final answer
    x = 18,900.15

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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.