Home / 25,178.13-34,745.10-13,847.67

Finding the Fourth Proportional to 25,178.13, 34,745.10 and 13,847.67

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Solution

The fourth proportional to 25,178.13, 34,745.10 and 13,847.67 is: 19,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.13 : 34,745.10 = 13,847.67 : x
  2. Step 2: Convert to fraction form
    25,178.13/34,745.10 = 13,847.67/x
  3. Step 3: Cross multiply
    25,178.13x = 34,745.10 × 13,847.67
  4. Step 4: Simplify right side
    25,178.13x = 481,138,678.92
  5. Step 5: Solve for x
    x = 481,138,678.92/25,178.13
  6. Step 6: Final answer
    x = 19,109.39

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1.5x scale

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.