Home / 13,417.45-20,126.36-4,057.54

Finding the Fourth Proportional to 13,417.45, 20,126.36 and 4,057.54

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Solution

The fourth proportional to 13,417.45, 20,126.36 and 4,057.54 is: 6,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.45 : 20,126.36 = 4,057.54 : x
  2. Step 2: Convert to fraction form
    13,417.45/20,126.36 = 4,057.54/x
  3. Step 3: Cross multiply
    13,417.45x = 20,126.36 × 4,057.54
  4. Step 4: Simplify right side
    13,417.45x = 81,663,510.75
  5. Step 5: Solve for x
    x = 81,663,510.75/13,417.45
  6. Step 6: Final answer
    x = 6,086.37

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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.