Home / 13,750.05-20,627.64-6,349.62

Finding the Fourth Proportional to 13,750.05, 20,627.64 and 6,349.62

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Solution

The fourth proportional to 13,750.05, 20,627.64 and 6,349.62 is: 9,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.05 : 20,627.64 = 6,349.62 : x
  2. Step 2: Convert to fraction form
    13,750.05/20,627.64 = 6,349.62/x
  3. Step 3: Cross multiply
    13,750.05x = 20,627.64 × 6,349.62
  4. Step 4: Simplify right side
    13,750.05x = 130,977,675.50
  5. Step 5: Solve for x
    x = 130,977,675.50/13,750.05
  6. Step 6: Final answer
    x = 9,525.61

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1.5x scale

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.