Home / 55,138.05-82,707.57-15,695.14

Finding the Fourth Proportional to 55,138.05, 82,707.57 and 15,695.14

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Solution

The fourth proportional to 55,138.05, 82,707.57 and 15,695.14 is: 23,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.05 : 82,707.57 = 15,695.14 : x
  2. Step 2: Convert to fraction form
    55,138.05/82,707.57 = 15,695.14/x
  3. Step 3: Cross multiply
    55,138.05x = 82,707.57 × 15,695.14
  4. Step 4: Simplify right side
    55,138.05x = 1,298,106,890.21
  5. Step 5: Solve for x
    x = 1,298,106,890.21/55,138.05
  6. Step 6: Final answer
    x = 23,542.85

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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.