Home / 13,415.58-20,126.34-4,055.76

Finding the Fourth Proportional to 13,415.58, 20,126.34 and 4,055.76

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Solution

The fourth proportional to 13,415.58, 20,126.34 and 4,055.76 is: 6,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415.58 : 20,126.34 = 4,055.76 : x
  2. Step 2: Convert to fraction form
    13,415.58/20,126.34 = 4,055.76/x
  3. Step 3: Cross multiply
    13,415.58x = 20,126.34 × 4,055.76
  4. Step 4: Simplify right side
    13,415.58x = 81,627,604.72
  5. Step 5: Solve for x
    x = 81,627,604.72/13,415.58
  6. Step 6: Final answer
    x = 6,084.54

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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.