Home / 13,305.89-19,948.01-4,981.24

Finding the Fourth Proportional to 13,305.89, 19,948.01 and 4,981.24

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Solution

The fourth proportional to 13,305.89, 19,948.01 and 4,981.24 is: 7,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.89 : 19,948.01 = 4,981.24 : x
  2. Step 2: Convert to fraction form
    13,305.89/19,948.01 = 4,981.24/x
  3. Step 3: Cross multiply
    13,305.89x = 19,948.01 × 4,981.24
  4. Step 4: Simplify right side
    13,305.89x = 99,365,769.26
  5. Step 5: Solve for x
    x = 99,365,769.26/13,305.89
  6. Step 6: Final answer
    x = 7,467.81

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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.