Home / 29,142.09-43,705.89-12,500.24

Finding the Fourth Proportional to 29,142.09, 43,705.89 and 12,500.24

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Solution

The fourth proportional to 29,142.09, 43,705.89 and 12,500.24 is: 18,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.09 : 43,705.89 = 12,500.24 : x
  2. Step 2: Convert to fraction form
    29,142.09/43,705.89 = 12,500.24/x
  3. Step 3: Cross multiply
    29,142.09x = 43,705.89 × 12,500.24
  4. Step 4: Simplify right side
    29,142.09x = 546,333,895.88
  5. Step 5: Solve for x
    x = 546,333,895.88/29,142.09
  6. Step 6: Final answer
    x = 18,747.24

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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.