Home / 29,269.62-40,382.55-18,662.67

Finding the Fourth Proportional to 29,269.62, 40,382.55 and 18,662.67

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Solution

The fourth proportional to 29,269.62, 40,382.55 and 18,662.67 is: 25,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,269.62 : 40,382.55 = 18,662.67 : x
  2. Step 2: Convert to fraction form
    29,269.62/40,382.55 = 18,662.67/x
  3. Step 3: Cross multiply
    29,269.62x = 40,382.55 × 18,662.67
  4. Step 4: Simplify right side
    29,269.62x = 753,646,204.41
  5. Step 5: Solve for x
    x = 753,646,204.41/29,269.62
  6. Step 6: Final answer
    x = 25,748.41

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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.