Home / 13,212.14-19,812.44-4,998.38

Finding the Fourth Proportional to 13,212.14, 19,812.44 and 4,998.38

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Solution

The fourth proportional to 13,212.14, 19,812.44 and 4,998.38 is: 7,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.14 : 19,812.44 = 4,998.38 : x
  2. Step 2: Convert to fraction form
    13,212.14/19,812.44 = 4,998.38/x
  3. Step 3: Cross multiply
    13,212.14x = 19,812.44 × 4,998.38
  4. Step 4: Simplify right side
    13,212.14x = 99,030,017.28
  5. Step 5: Solve for x
    x = 99,030,017.28/13,212.14
  6. Step 6: Final answer
    x = 7,495.38

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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.