Home / 13,465.12-20,198.76-4,699.84

Finding the Fourth Proportional to 13,465.12, 20,198.76 and 4,699.84

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Solution

The fourth proportional to 13,465.12, 20,198.76 and 4,699.84 is: 7,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.12 : 20,198.76 = 4,699.84 : x
  2. Step 2: Convert to fraction form
    13,465.12/20,198.76 = 4,699.84/x
  3. Step 3: Cross multiply
    13,465.12x = 20,198.76 × 4,699.84
  4. Step 4: Simplify right side
    13,465.12x = 94,930,940.20
  5. Step 5: Solve for x
    x = 94,930,940.20/13,465.12
  6. Step 6: Final answer
    x = 7,050.14

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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.