Home / 12,426.48-18,658.08-8,292.24

Finding the Fourth Proportional to 12,426.48, 18,658.08 and 8,292.24

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Solution

The fourth proportional to 12,426.48, 18,658.08 and 8,292.24 is: 12,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.48 : 18,658.08 = 8,292.24 : x
  2. Step 2: Convert to fraction form
    12,426.48/18,658.08 = 8,292.24/x
  3. Step 3: Cross multiply
    12,426.48x = 18,658.08 × 8,292.24
  4. Step 4: Simplify right side
    12,426.48x = 154,717,277.30
  5. Step 5: Solve for x
    x = 154,717,277.30/12,426.48
  6. Step 6: Final answer
    x = 12,450.61

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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.