Home / 13,313.34-19,979.73-5,001.53

Finding the Fourth Proportional to 13,313.34, 19,979.73 and 5,001.53

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Solution

The fourth proportional to 13,313.34, 19,979.73 and 5,001.53 is: 7,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.34 : 19,979.73 = 5,001.53 : x
  2. Step 2: Convert to fraction form
    13,313.34/19,979.73 = 5,001.53/x
  3. Step 3: Cross multiply
    13,313.34x = 19,979.73 × 5,001.53
  4. Step 4: Simplify right side
    13,313.34x = 99,929,119.09
  5. Step 5: Solve for x
    x = 99,929,119.09/13,313.34
  6. Step 6: Final answer
    x = 7,505.94

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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.