Home / 29,511.14-40,724.10-16,764.30

Finding the Fourth Proportional to 29,511.14, 40,724.10 and 16,764.30

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Solution

The fourth proportional to 29,511.14, 40,724.10 and 16,764.30 is: 23,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511.14 : 40,724.10 = 16,764.30 : x
  2. Step 2: Convert to fraction form
    29,511.14/40,724.10 = 16,764.30/x
  3. Step 3: Cross multiply
    29,511.14x = 40,724.10 × 16,764.30
  4. Step 4: Simplify right side
    29,511.14x = 682,711,029.63
  5. Step 5: Solve for x
    x = 682,711,029.63/29,511.14
  6. Step 6: Final answer
    x = 23,134.01

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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.