Home / 14,214.49-19,612.20-13,653.97

Finding the Fourth Proportional to 14,214.49, 19,612.20 and 13,653.97

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Solution

The fourth proportional to 14,214.49, 19,612.20 and 13,653.97 is: 18,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.49 : 19,612.20 = 13,653.97 : x
  2. Step 2: Convert to fraction form
    14,214.49/19,612.20 = 13,653.97/x
  3. Step 3: Cross multiply
    14,214.49x = 19,612.20 × 13,653.97
  4. Step 4: Simplify right side
    14,214.49x = 267,784,390.43
  5. Step 5: Solve for x
    x = 267,784,390.43/14,214.49
  6. Step 6: Final answer
    x = 18,838.83

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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.