Home / 13,365.10-20,047.70-9,192.52

Finding the Fourth Proportional to 13,365.10, 20,047.70 and 9,192.52

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Solution

The fourth proportional to 13,365.10, 20,047.70 and 9,192.52 is: 13,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.10 : 20,047.70 = 9,192.52 : x
  2. Step 2: Convert to fraction form
    13,365.10/20,047.70 = 9,192.52/x
  3. Step 3: Cross multiply
    13,365.10x = 20,047.70 × 9,192.52
  4. Step 4: Simplify right side
    13,365.10x = 184,288,883.20
  5. Step 5: Solve for x
    x = 184,288,883.20/13,365.10
  6. Step 6: Final answer
    x = 13,788.81

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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.