Home / 13,410.44-18,506.08-7,442.02

Finding the Fourth Proportional to 13,410.44, 18,506.08 and 7,442.02

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Solution

The fourth proportional to 13,410.44, 18,506.08 and 7,442.02 is: 10,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.44 : 18,506.08 = 7,442.02 : x
  2. Step 2: Convert to fraction form
    13,410.44/18,506.08 = 7,442.02/x
  3. Step 3: Cross multiply
    13,410.44x = 18,506.08 × 7,442.02
  4. Step 4: Simplify right side
    13,410.44x = 137,722,617.48
  5. Step 5: Solve for x
    x = 137,722,617.48/13,410.44
  6. Step 6: Final answer
    x = 10,269.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.