Home / 13,671.18-20,492.19-5,772.06

Finding the Fourth Proportional to 13,671.18, 20,492.19 and 5,772.06

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Solution

The fourth proportional to 13,671.18, 20,492.19 and 5,772.06 is: 8,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.18 : 20,492.19 = 5,772.06 : x
  2. Step 2: Convert to fraction form
    13,671.18/20,492.19 = 5,772.06/x
  3. Step 3: Cross multiply
    13,671.18x = 20,492.19 × 5,772.06
  4. Step 4: Simplify right side
    13,671.18x = 118,282,150.21
  5. Step 5: Solve for x
    x = 118,282,150.21/13,671.18
  6. Step 6: Final answer
    x = 8,651.93

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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.