Home / 29,548.86-40,776.62-16,120.11

Finding the Fourth Proportional to 29,548.86, 40,776.62 and 16,120.11

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Solution

The fourth proportional to 29,548.86, 40,776.62 and 16,120.11 is: 22,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.86 : 40,776.62 = 16,120.11 : x
  2. Step 2: Convert to fraction form
    29,548.86/40,776.62 = 16,120.11/x
  3. Step 3: Cross multiply
    29,548.86x = 40,776.62 × 16,120.11
  4. Step 4: Simplify right side
    29,548.86x = 657,323,619.63
  5. Step 5: Solve for x
    x = 657,323,619.63/29,548.86
  6. Step 6: Final answer
    x = 22,245.31

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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.