Home / 14,394.87-19,866.36-8,426.19

Finding the Fourth Proportional to 14,394.87, 19,866.36 and 8,426.19

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Solution

The fourth proportional to 14,394.87, 19,866.36 and 8,426.19 is: 11,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.87 : 19,866.36 = 8,426.19 : x
  2. Step 2: Convert to fraction form
    14,394.87/19,866.36 = 8,426.19/x
  3. Step 3: Cross multiply
    14,394.87x = 19,866.36 × 8,426.19
  4. Step 4: Simplify right side
    14,394.87x = 167,397,723.97
  5. Step 5: Solve for x
    x = 167,397,723.97/14,394.87
  6. Step 6: Final answer
    x = 11,628.98

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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.