Home / 13,243.14-19,860.29-5,343.62

Finding the Fourth Proportional to 13,243.14, 19,860.29 and 5,343.62

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Solution

The fourth proportional to 13,243.14, 19,860.29 and 5,343.62 is: 8,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.14 : 19,860.29 = 5,343.62 : x
  2. Step 2: Convert to fraction form
    13,243.14/19,860.29 = 5,343.62/x
  3. Step 3: Cross multiply
    13,243.14x = 19,860.29 × 5,343.62
  4. Step 4: Simplify right side
    13,243.14x = 106,125,736.87
  5. Step 5: Solve for x
    x = 106,125,736.87/13,243.14
  6. Step 6: Final answer
    x = 8,013.64

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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.