Home / 29,138.22-40,211.10-16,563.78

Finding the Fourth Proportional to 29,138.22, 40,211.10 and 16,563.78

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Solution

The fourth proportional to 29,138.22, 40,211.10 and 16,563.78 is: 22,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.22 : 40,211.10 = 16,563.78 : x
  2. Step 2: Convert to fraction form
    29,138.22/40,211.10 = 16,563.78/x
  3. Step 3: Cross multiply
    29,138.22x = 40,211.10 × 16,563.78
  4. Step 4: Simplify right side
    29,138.22x = 666,047,813.96
  5. Step 5: Solve for x
    x = 666,047,813.96/29,138.22
  6. Step 6: Final answer
    x = 22,858.22

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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.