Home / 16,450.61-24,686.85-7,686.21

Finding the Fourth Proportional to 16,450.61, 24,686.85 and 7,686.21

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Solution

The fourth proportional to 16,450.61, 24,686.85 and 7,686.21 is: 11,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.61 : 24,686.85 = 7,686.21 : x
  2. Step 2: Convert to fraction form
    16,450.61/24,686.85 = 7,686.21/x
  3. Step 3: Cross multiply
    16,450.61x = 24,686.85 × 7,686.21
  4. Step 4: Simplify right side
    16,450.61x = 189,748,251.62
  5. Step 5: Solve for x
    x = 189,748,251.62/16,450.61
  6. Step 6: Final answer
    x = 11,534.42

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1.5x scale

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.