Home / 13,566.84-18,723.90-8,262.42

Finding the Fourth Proportional to 13,566.84, 18,723.90 and 8,262.42

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Solution

The fourth proportional to 13,566.84, 18,723.90 and 8,262.42 is: 11,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.84 : 18,723.90 = 8,262.42 : x
  2. Step 2: Convert to fraction form
    13,566.84/18,723.90 = 8,262.42/x
  3. Step 3: Cross multiply
    13,566.84x = 18,723.90 × 8,262.42
  4. Step 4: Simplify right side
    13,566.84x = 154,704,725.84
  5. Step 5: Solve for x
    x = 154,704,725.84/13,566.84
  6. Step 6: Final answer
    x = 11,403.15

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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.