Home / 13,570.25-20,352.87-4,685.56

Finding the Fourth Proportional to 13,570.25, 20,352.87 and 4,685.56

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Solution

The fourth proportional to 13,570.25, 20,352.87 and 4,685.56 is: 7,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.25 : 20,352.87 = 4,685.56 : x
  2. Step 2: Convert to fraction form
    13,570.25/20,352.87 = 4,685.56/x
  3. Step 3: Cross multiply
    13,570.25x = 20,352.87 × 4,685.56
  4. Step 4: Simplify right side
    13,570.25x = 95,364,657.16
  5. Step 5: Solve for x
    x = 95,364,657.16/13,570.25
  6. Step 6: Final answer
    x = 7,027.48

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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.