Home / 13,101.32-19,652.70-3,740.61

Finding the Fourth Proportional to 13,101.32, 19,652.70 and 3,740.61

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Solution

The fourth proportional to 13,101.32, 19,652.70 and 3,740.61 is: 5,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.32 : 19,652.70 = 3,740.61 : x
  2. Step 2: Convert to fraction form
    13,101.32/19,652.70 = 3,740.61/x
  3. Step 3: Cross multiply
    13,101.32x = 19,652.70 × 3,740.61
  4. Step 4: Simplify right side
    13,101.32x = 73,513,086.15
  5. Step 5: Solve for x
    x = 73,513,086.15/13,101.32
  6. Step 6: Final answer
    x = 5,611.12

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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.