Home / 13,230.16-19,845.32-4,465.12

Finding the Fourth Proportional to 13,230.16, 19,845.32 and 4,465.12

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Solution

The fourth proportional to 13,230.16, 19,845.32 and 4,465.12 is: 6,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.16 : 19,845.32 = 4,465.12 : x
  2. Step 2: Convert to fraction form
    13,230.16/19,845.32 = 4,465.12/x
  3. Step 3: Cross multiply
    13,230.16x = 19,845.32 × 4,465.12
  4. Step 4: Simplify right side
    13,230.16x = 88,611,735.24
  5. Step 5: Solve for x
    x = 88,611,735.24/13,230.16
  6. Step 6: Final answer
    x = 6,697.71

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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.