Home / 13,101.28-19,652.69-3,740.58

Finding the Fourth Proportional to 13,101.28, 19,652.69 and 3,740.58

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Solution

The fourth proportional to 13,101.28, 19,652.69 and 3,740.58 is: 5,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.28 : 19,652.69 = 3,740.58 : x
  2. Step 2: Convert to fraction form
    13,101.28/19,652.69 = 3,740.58/x
  3. Step 3: Cross multiply
    13,101.28x = 19,652.69 × 3,740.58
  4. Step 4: Simplify right side
    13,101.28x = 73,512,459.16
  5. Step 5: Solve for x
    x = 73,512,459.16/13,101.28
  6. Step 6: Final answer
    x = 5,611.09

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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.