Home / 14,446.12-21,639.61-9,992.74

Finding the Fourth Proportional to 14,446.12, 21,639.61 and 9,992.74

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Solution

The fourth proportional to 14,446.12, 21,639.61 and 9,992.74 is: 14,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.12 : 21,639.61 = 9,992.74 : x
  2. Step 2: Convert to fraction form
    14,446.12/21,639.61 = 9,992.74/x
  3. Step 3: Cross multiply
    14,446.12x = 21,639.61 × 9,992.74
  4. Step 4: Simplify right side
    14,446.12x = 216,238,996.43
  5. Step 5: Solve for x
    x = 216,238,996.43/14,446.12
  6. Step 6: Final answer
    x = 14,968.66

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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.