Home / 13,330.75-18,396.44-7,362.42

Finding the Fourth Proportional to 13,330.75, 18,396.44 and 7,362.42

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Solution

The fourth proportional to 13,330.75, 18,396.44 and 7,362.42 is: 10,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.75 : 18,396.44 = 7,362.42 : x
  2. Step 2: Convert to fraction form
    13,330.75/18,396.44 = 7,362.42/x
  3. Step 3: Cross multiply
    13,330.75x = 18,396.44 × 7,362.42
  4. Step 4: Simplify right side
    13,330.75x = 135,442,312.04
  5. Step 5: Solve for x
    x = 135,442,312.04/13,330.75
  6. Step 6: Final answer
    x = 10,160.14

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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.