Home / 13,230.72-19,845.84-4,465.44

Finding the Fourth Proportional to 13,230.72, 19,845.84 and 4,465.44

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Solution

The fourth proportional to 13,230.72, 19,845.84 and 4,465.44 is: 6,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.72 : 19,845.84 = 4,465.44 : x
  2. Step 2: Convert to fraction form
    13,230.72/19,845.84 = 4,465.44/x
  3. Step 3: Cross multiply
    13,230.72x = 19,845.84 × 4,465.44
  4. Step 4: Simplify right side
    13,230.72x = 88,620,407.77
  5. Step 5: Solve for x
    x = 88,620,407.77/13,230.72
  6. Step 6: Final answer
    x = 6,698.08

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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.