Home / 29,709.93-40,999.05-16,280.90

Finding the Fourth Proportional to 29,709.93, 40,999.05 and 16,280.90

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Solution

The fourth proportional to 29,709.93, 40,999.05 and 16,280.90 is: 22,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.93 : 40,999.05 = 16,280.90 : x
  2. Step 2: Convert to fraction form
    29,709.93/40,999.05 = 16,280.90/x
  3. Step 3: Cross multiply
    29,709.93x = 40,999.05 × 16,280.90
  4. Step 4: Simplify right side
    29,709.93x = 667,501,228.15
  5. Step 5: Solve for x
    x = 667,501,228.15/29,709.93
  6. Step 6: Final answer
    x = 22,467.28

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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.