Home / 29,138.76-40,211.36-16,563.50

Finding the Fourth Proportional to 29,138.76, 40,211.36 and 16,563.50

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Solution

The fourth proportional to 29,138.76, 40,211.36 and 16,563.50 is: 22,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.76 : 40,211.36 = 16,563.50 : x
  2. Step 2: Convert to fraction form
    29,138.76/40,211.36 = 16,563.50/x
  3. Step 3: Cross multiply
    29,138.76x = 40,211.36 × 16,563.50
  4. Step 4: Simplify right side
    29,138.76x = 666,040,861.36
  5. Step 5: Solve for x
    x = 666,040,861.36/29,138.76
  6. Step 6: Final answer
    x = 22,857.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.