Home / 19,581.18-27,021.76-10,629.01

Finding the Fourth Proportional to 19,581.18, 27,021.76 and 10,629.01

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Solution

The fourth proportional to 19,581.18, 27,021.76 and 10,629.01 is: 14,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.18 : 27,021.76 = 10,629.01 : x
  2. Step 2: Convert to fraction form
    19,581.18/27,021.76 = 10,629.01/x
  3. Step 3: Cross multiply
    19,581.18x = 27,021.76 × 10,629.01
  4. Step 4: Simplify right side
    19,581.18x = 287,214,557.26
  5. Step 5: Solve for x
    x = 287,214,557.26/19,581.18
  6. Step 6: Final answer
    x = 14,667.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.