Home / 19,664.80-29,426.20-16,924.52

Finding the Fourth Proportional to 19,664.80, 29,426.20 and 16,924.52

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Solution

The fourth proportional to 19,664.80, 29,426.20 and 16,924.52 is: 25,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.80 : 29,426.20 = 16,924.52 : x
  2. Step 2: Convert to fraction form
    19,664.80/29,426.20 = 16,924.52/x
  3. Step 3: Cross multiply
    19,664.80x = 29,426.20 × 16,924.52
  4. Step 4: Simplify right side
    19,664.80x = 498,024,310.42
  5. Step 5: Solve for x
    x = 498,024,310.42/19,664.80
  6. Step 6: Final answer
    x = 25,325.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.