Home / 13,170.56-19,756.08-4,405.52

Finding the Fourth Proportional to 13,170.56, 19,756.08 and 4,405.52

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Solution

The fourth proportional to 13,170.56, 19,756.08 and 4,405.52 is: 6,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.56 : 19,756.08 = 4,405.52 : x
  2. Step 2: Convert to fraction form
    13,170.56/19,756.08 = 4,405.52/x
  3. Step 3: Cross multiply
    13,170.56x = 19,756.08 × 4,405.52
  4. Step 4: Simplify right side
    13,170.56x = 87,035,805.56
  5. Step 5: Solve for x
    x = 87,035,805.56/13,170.56
  6. Step 6: Final answer
    x = 6,608.36

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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.