Home / 13,548.72-20,323.72-4,784.56

Finding the Fourth Proportional to 13,548.72, 20,323.72 and 4,784.56

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Solution

The fourth proportional to 13,548.72, 20,323.72 and 4,784.56 is: 7,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.72 : 20,323.72 = 4,784.56 : x
  2. Step 2: Convert to fraction form
    13,548.72/20,323.72 = 4,784.56/x
  3. Step 3: Cross multiply
    13,548.72x = 20,323.72 × 4,784.56
  4. Step 4: Simplify right side
    13,548.72x = 97,240,057.76
  5. Step 5: Solve for x
    x = 97,240,057.76/13,548.72
  6. Step 6: Final answer
    x = 7,177.07

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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.