Home / 29,196.40-43,762.20-12,553.60

Finding the Fourth Proportional to 29,196.40, 43,762.20 and 12,553.60

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Solution

The fourth proportional to 29,196.40, 43,762.20 and 12,553.60 is: 18,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.40 : 43,762.20 = 12,553.60 : x
  2. Step 2: Convert to fraction form
    29,196.40/43,762.20 = 12,553.60/x
  3. Step 3: Cross multiply
    29,196.40x = 43,762.20 × 12,553.60
  4. Step 4: Simplify right side
    29,196.40x = 549,373,153.92
  5. Step 5: Solve for x
    x = 549,373,153.92/29,196.40
  6. Step 6: Final answer
    x = 18,816.47

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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.