Home / 13,927.55-20,891.10-5,607.34

Finding the Fourth Proportional to 13,927.55, 20,891.10 and 5,607.34

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Solution

The fourth proportional to 13,927.55, 20,891.10 and 5,607.34 is: 8,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.55 : 20,891.10 = 5,607.34 : x
  2. Step 2: Convert to fraction form
    13,927.55/20,891.10 = 5,607.34/x
  3. Step 3: Cross multiply
    13,927.55x = 20,891.10 × 5,607.34
  4. Step 4: Simplify right side
    13,927.55x = 117,143,555.44
  5. Step 5: Solve for x
    x = 117,143,555.44/13,927.55
  6. Step 6: Final answer
    x = 8,410.93

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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.