Home / 13,395.10-20,087.98-5,495.34

Finding the Fourth Proportional to 13,395.10, 20,087.98 and 5,495.34

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Solution

The fourth proportional to 13,395.10, 20,087.98 and 5,495.34 is: 8,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.10 : 20,087.98 = 5,495.34 : x
  2. Step 2: Convert to fraction form
    13,395.10/20,087.98 = 5,495.34/x
  3. Step 3: Cross multiply
    13,395.10x = 20,087.98 × 5,495.34
  4. Step 4: Simplify right side
    13,395.10x = 110,390,280.01
  5. Step 5: Solve for x
    x = 110,390,280.01/13,395.10
  6. Step 6: Final answer
    x = 8,241.09

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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.