Home / 13,570.00-20,353.38-5,781.04

Finding the Fourth Proportional to 13,570.00, 20,353.38 and 5,781.04

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Solution

The fourth proportional to 13,570.00, 20,353.38 and 5,781.04 is: 8,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.00 : 20,353.38 = 5,781.04 : x
  2. Step 2: Convert to fraction form
    13,570.00/20,353.38 = 5,781.04/x
  3. Step 3: Cross multiply
    13,570.00x = 20,353.38 × 5,781.04
  4. Step 4: Simplify right side
    13,570.00x = 117,663,631.35
  5. Step 5: Solve for x
    x = 117,663,631.35/13,570.00
  6. Step 6: Final answer
    x = 8,670.87

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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.