Home / 15,204.60-20,975.10-9,536.52

Finding the Fourth Proportional to 15,204.60, 20,975.10 and 9,536.52

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Solution

The fourth proportional to 15,204.60, 20,975.10 and 9,536.52 is: 13,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.60 : 20,975.10 = 9,536.52 : x
  2. Step 2: Convert to fraction form
    15,204.60/20,975.10 = 9,536.52/x
  3. Step 3: Cross multiply
    15,204.60x = 20,975.10 × 9,536.52
  4. Step 4: Simplify right side
    15,204.60x = 200,029,460.65
  5. Step 5: Solve for x
    x = 200,029,460.65/15,204.60
  6. Step 6: Final answer
    x = 13,155.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.